Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: prepare shrimp shell stock: place shells in a saucepan and cover with water. heat to boiling. reduce heat, cover pan, and simmer 30 minutes. drain stock from shells, reserving 3/4 c for creole sauce. discard shells. melt vegetable shortening and margarine in a skillet. add flour and make a nice brown roux. add onion, garlic, and green onion to roux. stir and cook until translucent. add tomato sauce, diced tomatoes, and shrimp stock. mix well. add all seasonings; thoroughly stir mixture. cover and simmer for 20 minutes. taste and adjust seasonings as needed. add cleaned, shelled shrimp and lemon juice. stir and cover for 10 minutes. serve heaping spoonfuls over hot cooked rice. enjoy!

Target recipe: sauté onion, and bell pepper and margarine, until tender, in a large skillet. stir in flour until thickened. gradually add water and tomato sauce. cook over medium heat until thickened and bubbly. add cajun spice and reduce heat. cook on low heat for about 10 minutes. add shrimp and cover and simmer for 10-15 minutes or until shrimp is cooked, stirring occasionally. serve over hot rice.