Step 1

Brown the ground beef in a skillet on the stove top over medium heat. Drain excess grease, then add the chopped peppers and cook an additional 2 - 3 minutes.

Step 2

Add the browned beef and peppers to the slow cooker along with the tomato sauce, rotel, kidney beans, chili seasoning, ranch seasoning and water. Stir to combine.

Step 3

Cover and cook on high for 4 - 6 hours or low for 6 - 8 hours.

Step 4

About 30 minutes before serving, stir in the uncooked macaroni; cover. When macaroni is cooked (about 20 minutes) stir in half the shredded cheese, and top with the remaining half. Cover and allow the cheese to melt (about 10 minutes).