Crock Pot Stuffed Sweet Pepper Soup

Crock Pot Stuffed Sweet Pepper Soup
Olive Oil - 2 Tablespoons
Ground Beef - 2 Pounds
Yellow Onion, Diced - 1 Medium
Salt - 2 Teaspoons
Black Pepper - 1 Teaspoon
Mixed Bell Peppers, Chopped - 3-4 Large
Brown Sugar - 3 Tablespoons
Tomato Sauce - 15 Ounces
Diced Tomatoes - 28 Ounces
Beef Broth - 32 Ounces
Rice--Cooked Per Package Intructions - 2 Cups (Raw)
In a large skillet heat the olive oil over medium heat. Add the onion and sweat for 4-5 minutes or until it's soft.  Add the beef, salt and pepper and cook until the meat is no longer pink. Drain fat.  Pour the cooked meat mixture into a crock pot.  Add all the rest of the ingredients, except the rice.  Cover and cook on low for  6-8 hours or 3-4 hours on high. Add cooked rice to the crock pot and cook on high for 15-20 minutes just to heat rice and serve!