Gluten-free green bean casserole
Green beans folded into a creamy from-scratch mushroom sauce and baked, crowned with crunchy rice-flour fried onions.
- Celiac
- Hashimoto's
- Pregnancy
- Toddlers
- Dairy-free
- Alpha-gal
- High blood pressure
- Gluten-free
- Crohn’s and colitis
- Gluten-free Thanksgiving
- Sheet pan
- One pan
- Gluten-free dairy-free

Ingredients
- 500 g green beans, trimmed and halved
- 300 g cremini mushrooms, sliced
- 1 large yellow onion, sliced into thin rings
- 80 g rice flour, gluten-free
- 4 tbsp olive oil, divided
- 3 cloves garlic, minced
- 300 ml full-fat coconut milk
- 150 ml gluten-free chicken stock
- 1 tbsp cornstarch
- 4 sprigs fresh thyme
- 1 tsp salt
- ½ tsp black pepper
Method
- Toss the sliced onion with the rice flour and a pinch of salt.

- Fry the onions in half the oil until deep golden and crisp.6 min timer

- Sauté the mushrooms with the thyme until browned and glossy.7 min timer

- Stir in the garlic, then add the coconut milk, stock, cornstarch, salt and pepper.

- Simmer until the sauce thickens, then fold in the beans.8 min timer

- Bake until bubbling at the edges, then scatter the crispy onions over the top.15 min timer

Why it works
- Celiac disease: The sauce is thickened with cornstarch and the onions are coated in rice flour, with gluten-free stock — nothing wheaty in the dish.
- Dairy-free: Coconut milk makes the sauce creamy, so there's no milk, cream or butter anywhere in the dish.
Celiac check: watch for hidden gluten in soy sauce, stock, malt vinegar and seasoning blends, and oats that aren’t certified. Gluten gives food ideas, not medical advice: always check labels for allergens and cross-contact.
Cooking for more than one diet?
Add everyone you cook for, with their allergies, diets and ages. Gluten checks this recipe for each of them and tells you what to change for anyone who can’t eat it as written. It’s free.
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This recipe also fits: Hashimoto's recipes, Pregnancy recipes, Toddlers recipes, Dairy-free recipes, Alpha-gal recipes, High blood pressure recipes, Gluten-free recipes, Crohn’s and colitis recipes, Gluten-free Thanksgiving recipes, Sheet pan recipes, One pan recipes, Gluten-free dairy-free recipes.

