• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer

Abra's Kitchen

Real Food Recipes (Mostly Plants)

  • Recipes
  • Wellness
  • Meal Plans
  • Lifestyle
  • About Abra
    • Contact
  • Work With Me
    • Brands
  • My Favorite Things
    • My Favorite Wellness Resources
    • Business Resources

Roasted Green Beans and Mushrooms with a Creamy Onion Sauce

November 11, 2020 by Abra Pappa, MS, CNS, LDN 1 Comment

Jump to Recipe Print Recipe
Roasted Green Beans and Mushrooms in a Creamy Onion Sauce

Tender roasted green beans, and earthy mushrooms topped with a vegan creamy onion sauce. A healthier, vegan, take on a traditional green bean casserole. 

Roasted Green Beans and Mushrooms with a Vegan Creamy Onion Sauce on a white platter

It's that time of year when nostalgic holiday recipes make a comeback, and I am here for it. I am also here to freshen things up, lighten things up, and share with you holiday dishes that are equally healthy, delicious, and reminiscent of the traditional recipes we love!

Allow me to introduce you to my take on a green bean casserole.

  • Herby roasted and charred green beans 
  • Herby roasted tender umami mushrooms
  • A decadent creamy onion sauce

Clearly, this is NOT a classic green bean casserole, but I'm going to just go for it and tell you the truth. It's better.

Here is why: So many of the traditional Thanksgiving side dishes fall into the same texture profile, mushy. 

I happen to love mushy – mashed potatoes, serve it up! Stuffing, yes of course! Sweet potatoes, bring them on! 

BUT I am always looking for a fresher flavor, something a bit lighter, a little less mushy. Traditionally green bean casserole lands in the same mush category albeit with an onion crunch. This recipe for roasted green beans and mushroom with a creamy sauce drizzle hits all of the flavor notes with a far better texture. It is in fact lighter and fresher and an excellent addition to your holiday table.

Let's Get Cooking!

Roasted green beans on a sheet pan and roasted mushrooms on a sheet pan

INGREDIENTS NEEDED TO MAKE THIS RECIPE:

Detailed measurements and ingredients can be found within the recipe card at the end of this post.

  • Green Beans – Fresh green beans! Trim off the ends, but keep whole
  • Mushrooms – I used whole cremini mushrooms and then sliced them. Any mushroom would work, a mix of wild mushrooms would be delicious!
  • Onions – One large yellow or Vidalia onion
  • Cashews – The KEY ingredient for the creamy vegan sauce
  • Fresh Thyme – If you can't find fresh thyme, dried will also work.

TOOLS YOU WILL USE:

  • Large baking sheet pan – you may need two.
  • Large saute pan
  • Blender

sauteed onions in a pan

HOW TO MAKE ROASTED GREEN BEANS AND MUSHROOMS WITH CREAMY ONION SAUCE:

  • Roast green beans and mushrooms on a large sheet tray. Season well with olive oil, salt, pepper, and fresh thyme.
  • While the veggies are roasting prepare the onion sauce by sauteing one large onion in olive oil. Allow to cook until onion is soft and creamy – add stock 1 tbsp at a time to speed up the process. Season well with salt, pepper, and fresh thyme.

Creamy Onion Sauce in blender with cashews and onions

  • Soak RAW cashews in a bowl of water for at least 30 minutes. Drain and add to a blender with onions and fresh water. Blend until super creamy and the sauce looks like thick heavy cream.

Vegan Creamy Onion Sauce

HOW TO SERVE:

  • Arrange green beans and mushrooms on a beautiful large platter arranged with fresh thyme
  • Drizzle with creamy onion sauce
  • ALTERNATIVE VERSION – You can also toss the green beans and mushrooms in the creamy onion sauce, top with breadcrumbs, and pop back in the oven for 25 minutes. This version will be more reminiscent of a traditional green bean casserole.

Main Dishes that Pair Well with Roasted Green Beans and Mushrooms:

Pumpkin Parmesan Chicken

Whole Roasted Chicken

Healthy Beef and Mushroom Meatballs

STORING LEFTOVERS:

This dish will store well in an airtight container in the fridge for 3-4 days.

Roasted Green Beans and Mushrooms with a Vegan Creamy Onion Sauce on a large white platter

NUTRITION NERD CORNER 🤓

Green Beans are Pretty Darn Good For You!

Technically green beans belong in the bean and legume family. As such, they are a great source of fiber, vitamin K, vitamin C, and a variety of minerals. 

CRAVING MORE LIGHTENED-UP SIDE DISHES?

Side-dishes are my jam, who needs a main course when you have side dishes that are truly this good!!

Roasted Honey-Nut Squash with Tahini Drizzle

Kale and Mushroom Stuffed Delicata Squash

Fall Harvest Salad with Pumpkin Garlic Vinaigrette

Savory Sweet Potato Casserole 

Creamy Herb Mashed Parsnip and Potato

Rosemary Parmesan Butternut Squash Gratin

DIETARY MODIFICATIONS FOR THIS RECIPE:

This recipe is naturally gluten-free, vegan, vegetarian, paleo, Whole30, and, keto-friendly!

  • Low Fodmap – The onion sauce is high in fodmap, you can easily make this recipe without the onion sauce or blend cashews with a pinch of onion powder.

I can’t wait for you to try this Roasted Green Bean and Mushroom Recipe! When you make it, snap a photo and tag me on Instagram @abrapappa or use the hashtag #abraskitchen so I can feature your photo! 

If you’ve tried this recipe, don’t forget to rate and leave a comment below. I love to hear from people who’ve made my recipes!

Roasted Green Beans and Mushrooms with Creamy Onion Sauce

Roasted Green Beans and Mushrooms with a Vegan Creamy Onion Sauce

Abra Pappa, MS, CNS, LDN
Tender roasted green beans, and earthy mushrooms topped with a vegan creamy onion sauce. A healthier, vegan, take on a traditional green bean casserole. 
5 from 1 vote
Print Recipe Pin Recipe
Prep Time 15 mins
Cook Time 25 mins
Course Side Dish
Cuisine American
Servings 4 servings
Calories 295 kcal

Ingredients
  

  • 1 lb. green beans
  • 2-3 cups cremini mushrooms, sliced 8 ounces
  • 1/4 cup extra virgin olive oil
  • 1/2 tsp sea salt
  • 1/4 tsp black pepper
  • 1 onion
  • 2 tbsp olive oil
  • 1/4 cup vegetable stock
  • 1/2 cup raw cashews

Instructions
 

  • Preheat oven to 400°
  • Arrange green beans on one large sheet tran and mushrooms on a second sheet tray. Toss each with olive oil, salt, pepper, and scatter fresh thyme sprigs on top (2 tbsp olive oil for each sheet tray). Roast in oven for 15-20 minutes or until green beans are charred and mushrooms are browned. Remove from oven and set aside.
  • In the meantime, soak cashews in a bowl of water, set aside.
  • Heat a large skillet over medium-high heat. Add 1 tbsp olive oil and sliced onion. Cook until onion is soft and "melty" about 15 minutes. Do not allow the onions to brown, add stock to the pan as you are cooking to help the process along.
  • When onions are soft and tender add them to a high speed blender with the drained cashews and 1/2 cup of water. Blend until super creamy and thick, resembling heavy cream.
  • Arrange green beans and mushrooms on a platter and drizzle the creamy onion sauce on top. Serve immediately or store in fridge for 3-4 days (store the green beans and mushrooms separate from the onion sauce)

Notes

VEGAN CREAMY ONION SAUCE:
You will likely have some leftover creamy onion sauce, this is a GOOD problem to have. Here are some other ways to use the sauce:
  • Use it as vegan gravy - Rich onions make the perfect base for a vegan gravy, pour this on mashed potatoes or stuffing!
  • Use as a base for "creamed greens" - Simply saute a combination of spinach and kale (or any dark leafy green you love) with a lot of fresh garlic. Once the greens have wilted add the creamy vegan sauce to make the BEST creamed spinach you've ever had
  • Use it as a "cream" for soup - Creamy tomato soup, carrot soup, cauliflower soup, or broccoli soup. Cook your veggies, add sauce, blend and savor!

Nutrition

Serving: 1serving (6 total servings for a side dish)Calories: 295kcalCarbohydrates: 17gProtein: 6gFat: 24gSaturated Fat: 4gSodium: 362mgPotassium: 547mgFiber: 4gSugar: 7gVitamin A: 814IUVitamin C: 16mgCalcium: 61mgIron: 3mg
Snap a photo when you try this recipe!Tag me! @abrapappa or #abraskitchen so I can feature your photo!

Can I Help You Meal Plan?

Enter your email below to download my free - one week - real food (mostly plants) meal plan. Grocery list, recipes, prep schedule, it's all there for you 🙂

Success! Now check your email to confirm your subscription.

There was an error submitting your subscription. Please try again.

Powered by ConvertKit

You may also like:

  • The freshest seasonal ingredients create a beet salad with berries and avocado basil vinaigrette. Vegan, gluten free, paleo, Whole30. |abraskitchen.com
    Beet Salad with Berries and an Avocado Basil Vinaigrette
  • best green smoothie
    Kale-a-colada Green Smoothie
  • Sometimes it's just a smoothie, last week I had veggie bowls with sauerkraut 3 days in a row and this week it was all about these soba noodles.
    Cold Soba Noodles with Tahini Sauce

Filed Under: 21 Day Reset (Detox Friendly), Blog, Gluten Free, Holiday, Paleo, Recipes, Sides, Vegan, Vegetarian

Previous Post: « Spicy Sausage and Broccoli Pasta
Next Post: Herb Sourdough Stuffing with Wild Mushrooms »

Reader Interactions

Affiliate Disclosure:

Privacy Policy 

Affiliate Disclosure:

Posts may contain affiliate links. If you purchase a product through an affiliate link, your costs will be the same but Abra’s Kitchen will receive a small commission. This helps cover some of the costs for groceries and this site. We appreciate your support!

Comments

  1. Dana Suss says

    November 11, 2020 at 11:52 pm

    Made this tonight and it was delish! That vegan creamy onion sauce is everything!!!

    Reply

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Recipe Rating




This site uses Akismet to reduce spam. Learn how your comment data is processed.

Primary Sidebar

  • Facebook
  • Instagram
  • Pinterest
  • RSS
  • Twitter
  • YouTube

Hi, I’m Abra: a functional nutritionist, professional eater, and serious travel junkie. Inspiring wellness in and out of the kitchen is my favorite jam.

Find out more

Search

The Best Recipes!

delivered straight to your inbox!

Success! Now check your email to confirm your subscription.

There was an error submitting your subscription. Please try again.

Deals and Discounts!

A Nutritionists HONEST review of Butcher Box

In this Butcher Box review, I am sharing my perspective as a nutritionist and answering the questions; Is grass-fed meat really better for you? What are the benefits of sourcing meat from Butcher Box? and is Butcher Box worth it?

7 Day Healthy Meal Plans!

Whole30 Meal Plan

Whole 30 Meal Plan with healthy, delicious, supportive recipes for the whole30 diet

7-Day Gut Health Meal Plan

Healthy Gut 7 Day Meal Plan

30 Minutes (or less) Healthy Meal Plan – 7 Day

30 Minute Healthy 7-Day Meal Plan

Footer

  • Facebook
  • Instagram
  • Pinterest
  • RSS
  • Tumblr
  • YouTube

Privacy Policy

Affiliate Disclosure: Abra’s Kitchen (Nutritious America LLC) is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.

Follow on Instagram

Instagram did not return a 200.

Follow Abra's Kitchen on Instagram!

Search

Categories

Archives

Copyright © 2021 · Designed by Snixy Kitchen · Foodie Pro Theme by Shay Bocks · Built on the Genesis Framework · Powered by WordPress

  • Pinterest
  • Facebook
  • Twitter
  • Yummly
  • Reddit
  • Flipboard
  • Buffer
  • Email

Hi, thanks for stopping by!!

Sign up below to get a free 

One Week healthy

meal plan + grocery list

Your privacy is respected

x