Learn to prepare a classic green bean casserole entirely from scratch, featuring fresh ingredients and a rich homemade gravy. Thickened with flour and butter, this recipe eliminates the need for canned soup. For tips on making this dish in advance or freezing it, refer to the notes section.
Prep Time 30 minutes mins
Cook Time 55 minutes mins
Total Time 1 hour hr 25 minutes mins
Notes
Make Ahead & Freezing: Assemble the casserole and refrigerate overnight or freeze for up to 3 months. When ready to serve, bake at 400°F (204°C) for 20 minutes until bubbly.
Ingredient Substitutions: Replace mushrooms with sliced bell peppers if preferred. Use heavy cream for a richer sauce.
Scaling the Recipe: Double the ingredients and bake in a 9×13-inch dish for larger gatherings, adjusting the baking time to 25 minutes.
Alternative Toppings: Substitute French’s crispy fried onions or sprinkle with additional panko breadcrumbs for a variation in texture.