This layered casserole combines browned lean beef, sautéed vegetables, and tender Russet potatoes in a creamy mushroom sauce, topped with cheddar and crispy French fried onions. A comforting, one-bake weeknight staple with rich, cohesive flavors and textures.
Prep Time 15 minutes mins
Cook Time 35 minutes mins
Total Time 50 minutes mins
Substitute ground turkey for leaner protein. Use red bell pepper for sweetness. Swap Yukon Gold potatoes for creamier texture. Greek yogurt can replace sour cream for lower fat. Adjust baking time by 5-10 minutes if using smaller or larger potatoes.