Mexican Rice Casserole

I made this for dinner tonight. It was really good. Even my picky 9 year old ate it. He hates rice but he ate it in this casserole. I used instant brown rice.
Mexican Rice Casserole
1/2 pound lean ground beef
2 TB diced onion
1 large green pepper, chopped
16 oz. can kidney beans, rinsed and drained
16 oz. can diced tomatoes, undrained
8 oz. can tomato sauce
1/4 cup water
1 package taco seasoning
1 tablespoon chili powder
1 cup instant rice, uncooked
In a non stick skillet, brown beef, onions, and peppers. Combine all ingredients in a slow cooker,except rice. Cook on low for 5-6 hours. Stir in rice, cover and cook until rice is tender, about 15 minutes.
Yields: 6 servings (about 1 cup each)
Per Serving: 272 calories, 2g fat, 6g fiber