BUTTERFLY prepared shrimp; SET aside in refrigerator; LIGHT grill.
In a small saucepan over medium-low heat, MELT butter; ADD garlic; COOK until softened, 2-3 minutes, STIRRING occasionally.
ADD tomato sauce, brown sugar, red pepper flakes and lemon juice; BRING to simmer; STIR to dissolve sugar; REMOVE from heat.
SKEWER shrimp; PLACE on hot grill; COOK 3 to 5 minutes, TURNING once; BASTE well with sauce while cooking.
DRIZZLE remaining sauce over shrimp to serve.
Per Serving (excluding unknown items): 279 Calories; 4g Fat (13.3% calories from fat); 47g Protein; 12g Carbohydrate; 1g Dietary Fiber; 345mg Cholesterol; 709mg Sodium. Exchanges: 6 1/2 Lean Meat; 1 Vegetable; 0 Fruit; 1/2 Other Carbohydrates.