1 tbsp. soy sauce
2 tbsp. tomato paste
2 tbsp. red wine vinegar
1 tbsp. lemon juice
1 tsp. onion powder
2 tsp. garlic powder
1/2 tsp. black pepper
1 tsp. oregano
1 lb. shrimp, peeled and deveined

Mix all ingredients, but shrimp in bowl. Add shrimp; cover and place in refrigerator and let marinate at least 2 hours. Place grill sheet on top of grate over medium fire. Place shrimp on grill sheet and cook 2 to 4 minutes on each side or until they are pink in color.