Taco fiesta bubble up casserole

Name: Taco fiesta bubble up casserole
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: American, Mexican, Latin American, TexMex
Ingredients: 1 lb cooked extra lean ground beef; 1 7.5 oz package pillsbury biscuits; 1 package Taco seasoning, 30g; 1 1/3 cup salsa; 2 cup diced peppers (I used red, orange and yellow); 1 cup diced onion (I used red onion); 1 cup reduced fat shredded cheese (I use a 3 cheese blend); Green onion; Fat free sour cream for topping (optional)