Hamburger is indulgent, fatty, and savory, and works best with some green vegetables. Yes, it turns out that pairing the indulgence with some garden flavors helps accent and balance the savory meatiness. Hamburger Casserole with Broccoli places this balance front and center. The ground beef is juicy and the addition of mushrooms only enhances the beefy flavors, and the broccoli is cooked tender. Creamy, tangy, and cheesy, Hamburger Casserole with Broccoli satisfies over and over again.
Ingredients• 2 (16 ounce) packages frozen broccoli • 2 pounds ground beef • 1 (8 ounce) package fresh mushrooms • 1 large onion, chopped • salt, to taste • ground black pepper, to taste • 2 (10.75 ounce) cans condensed cream of celery soup • 1 (16 ounce) container sour cream • 1 (16 ounce) package mozzarella or Monterey Jack cheese, shredded
Preheat the oven to 350 degrees F.
Prepare the frozen broccoli according to package directions.
In a skillet over medium heat, mix the ground beef, mushrooms, and onion. Cook until the beef is evenly brown, about 6-8 minutes.
Drain the grease from the pan.
Season the meat and mushroom mixture with salt and pepper.
Add the cream of celery soup and sour cream.
Continue cooking until heated through, about 2-3 minutes.
Transfer the mixture to a medium baking dish.
Evenly layer the broccoli over the meat mixture.
Top the casserole with the mozzarella cheese.
Bake the casserole until bubbly and lightly brown, about 1 hour.