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Export 14 ingredients for grocery delivery
Step 1
Preheat oven to 350°F.
Step 2
Bring a large pot of water to boil. Cook green beans for 6-7 minutes or until tender. Drain well.
Step 3
Cook onion and mushrooms in butter until tender and onion is translucent, about 5-6 minutes. Stir in flour, salt and pepper. Cook 2 minutes more.
Step 4
Add milk and cream whisking until thick and bubbly. Remove from heat and stir in soy sauce. Taste and add salt & pepper if needed.
Step 5
Combine green beans, red pepper, cheddar cheese, and parmesan cheese. Toss with mushroom sauce and place in a 2 qt casserole dish.
Step 6
Combine topping ingredients and set aside.
Step 7
Bake for 20 minutes. Stir and sprinkle with topping. Bake an additional 10-15 minutes or until bubbly and topping is browned.