Spaghetti Sauce

Ingredients

• 2 lb. ground round
• 1 (15 oz.) can tomato sauce
• 1 (6 oz.) can tomato paste
• 1 small can mushrooms, sliced
• 1 tsp. Italian seasoning
• 1 small jar Prego traditional sauce
• 1 tsp. salt
• 1/2 tsp. pepper
• 1 onion, chopped