Spanish Rice

Ingredients

• 1 (16 oz.) can tomato sauce
• 1 (16 oz.) can water
• 1/4 c. margarine
• 1/2 c. finely chopped onion
• 1/3 c. chopped green pepper
• 1 tsp. salt
• 1 tsp. sugar
• 1/4 tsp. black pepper
• 1 tsp. prepared mustard
• 1 1/3 c. 3 Minute rice