Brown ground beef, onion, and mushrooms season with salt and pepper. Once browned drain grease

Put frozen Broccoli in a microwave bowl with 2 tbls of water cover and microwave for 6-8 minutes. Stir every couple minutes until crisp then drain Broccoli

In a microwave safe measuring cup place all ingredients for sauce and microwave for 2 1/2 minutes or until smooth. Make sure to stir every minute

Add sauce, Broccoli, and meat to baking pan, adjust seasoning to your liking then bake at 350 for 15-20 minutes until hot and bubbly