Step 1

Pre-heat oven to 350 degrees F.

Step 2

Spray 13X9 baking pan with non-stick cooking spray.

Step 3

Brown ground beef in a large skillet; drain off any grease that accumulates.

Step 4

Add diced onion, bell pepper, taco seasoning and 1/2 cup of water to pan.

Step 5

Stir until well blended.

Step 6

Bring to a simmer and cover.

Step 7

Simmer 10 minutes or so - until onion & pepper are soft.

Step 8

In a medium mixing bowl combine sour cream, mayonnaise, 1/2 cup of the cheese, and Ranch seasoning.

Step 9

Whisk until smooth and blended. Set aside.

Step 10

Add Bisquick (or other biscuit mix) to a large bowl.

Step 11

Pour in 3/4 cup of water and stir to make a soft dough. You may ned a little more water.

Step 12

Gently press dough into bottom of pan and bake 5 minutes - just until set.

Step 13

Remove from oven.

Step 14

Spread ground beef mixture over the biscuit layer.

Step 15

Spread the Rotel over that.

Step 16

Spoon the sour cream mixture over that and gently spread over the top.

Step 17

Finish with the remaining cheese.

Step 18

Bake 25 to 30 minutes, or until biscuit layer is done and the casserole is heated through.