This keto green bean casserole is homemade from scratch! Using a authentic mushroom and onion cream sauce, topped with parmesan chips. It’s so easy to make for a keto fall recipe, Thanksgiving or just to have as a delicious low carb casserole dish.
Benefits Of Made From Scratch Keto Green Bean Casserole
- Adding in what you like to eat.
- Knowing all the ingredients being used.
- Making something homemade that people think is hard.
- Staying in the limits of the keto diet.
How To Make A Keto Green Bean Casserole- Step by Step
- Cut up about 2 pounds of string beans. Cutting them into small bite sizes. Then boil the green beans for about 10 minutes. Just softening them a little. Do not overcook them because they will go in the oven.
- Slice up 1/2 onion and mushrooms. Some mushrooms come pre-sliced and that’s fine. Afterward add mushrooms to a pan on medium heat to allow the mushrooms to sweat and release excess water.
- After mushrooms have shrunken up a bit add oil and raw onion into the pan. Cook these down adding salt and pepper in the meantime.
- Toss in 1 TB of butter and add in white wine vinegar for flavor. Cook this down almost completely. Meaning keep a close eye on the heat to avoid burning or allowing them to get dry. If they look a little dry toss in some oil.
- When vinegar has cooked down pour in chicken bone broth or regular broth. Bring to boil then lower heat to simmer and reduce by half.
- After broth has reduced add in heavy cream. Bring to a boil then simmer as well until sauce thickens. A tip to speed the process for a thicker sauce are cheese or 1/8 teaspoon of xanthan gum. If you use neither sauce won’t get but so thick.
- Pour string beans in casserole dish then add made from scratch cream sauce and mix.
- Place in oven at 300F for 20 minutes. Then top with crumbled parmesan chips.
How Many Carbs In Green Bean Casserole?
This green bean casserole is the most keto friendly casserole you will find. Loaded with fat and low carb below is a full nutrition label via Cronometer.
Can You Have Green Beans On Keto?
In only one cup of green beans there are only 4g net carbs. That’s a very large amount of string beans for one sitting. Green beans are great for the keto diet!
Helpful Recipe Tips
- Adding cheese or xanthan gum for thickness is a great option. Having the inability to make a roux it will take forever to cook the water out of the cream. To speed up the process adding in cheese or xanthan gum is your best friend.
- Using canned string beans to make the recipe even faster to make!
- Skipping the parmesan chips. They are only optional for a crunchy topping but they don’t add the same element the onion straws do. Although you can purchase onion flavored chips to help.
- Sub out chicken bone broth for chicken broth. But you will lose the health benefits of the nutrient packed broth.
Other Fall Recipes You’ll Love
- Cauliflower Sweet Potato Casserole
- Pecan Pie Muffins
- Apple Spice Keto Muffins
- Maple Cream Cheese Pumpkin Muffins
Homemade Keto Green Bean Casserole
This keto green bean casserole is homemade from scratch! Using a authentic mushroom and onion cream sauce, topped with parmesan chips. It's so easy to make for a keto fall recipe, Thanksgiving or just to have as a delicious low carb casserole dish.
Ingredients
- 2.5 cups cut green beans (can range anywhere from 2-3 cups is ideal)
- 1/2 white onion
- 8 oz sliced mushrooms
- 1/4 cup white wine vinegar
- 1/2 cup chicken bone broth (regular chicken broth is fine)
- 1 cup heavy cream (or coconut cream)
- 1 tablespoon unsalted butter
- 1 teaspoon salt
- 1 teaspoon coarse black pepper
- 2 tablespoon olive oil
optional for cream thickness. One or the other
- 1/8 teaspoon xanthan gum
- 1/4 cup shredded cheese
Instructions
- If using canned string beans proceed to step 4. Wash and cut string beans up to desired size
- Boil string beans to soften. About 5-10 minutes. Don't overcook because they will cook in the oven as well.
- After finish boiling drain them then make cream sauce for casserole.
- Sliced onion and mushrooms. On medium heat sweat the mushrooms to remove excess water.
- After they are done add in olive oil and toss in sliced onions then season with salt and pepper.
- Cook mushrooms and onions down then add in butter and allow to melt then incorporate.
- Pour in white wine vinegar and allow the vinegar to completley reduce making sure you don't burn anything watch the heat. If onions/mushrooms look dry add a little oil but they shouldn't.
- After vinegar has reduced add broth to the pan. Bring to boil then lower to simmer and reduce by half.
- Pour in heavy cream and reduce to simmer as well. Allow to thicken. If you want a thicker sauce since there is no roux add in 1/8 tsp xanthan gum or 1/4 cup of cheese of choice.
- Preheat oven to 300ºF then layer string beans in casserole dish.
- Mix in cream sauce and string beans then bake for 20 minutes. Allow to cool then serve.
Video
Notes
Helpful Recipe Tips
- Adding cheese or xanthan gum for thickness is a great option. Having the inability to make a roux it will take forever to cook the water out of the cream. To speed up the process adding in cheese or xanthan gum is your best friend.
- Using canned string beans to make the recipe even faster to make!
- Skipping the parmesan chips. They are only optional for a crunchy topping but they don't add the same element the onion straws do. Although you can purchase onion flavored chips to help.
Nutrition
Nutrition Facts
Homemade Keto Green Bean Casserole
Amount Per Serving
Calories 127
* Percent Daily Values are based on a 2000 calorie diet.
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