Make this recipe a recipe that people in that category can eat. categories: ['low_carb'], recipe: melt butter in alrge saucepan over low heat; remove from heat and stir in flur until smooth. return to heat and cook, stirring, for 10 minutes, until roux is dark brown. stir in chopped white and green onions, celery and garlic; cook about 10 minutes. add tomato paste to fish stock; stir into onion mixture. add tomatoes, crayfish, parsley and seasonings; cover and simmer 20 minutes. serve over hot rice.

Target recipe: heat oil and butter in a large skillet over medium high heat. stir in onion, green onion, green pepper and celery; cook until transparent. mix in crawfish and tomato paste; cook for 10 minutes. pour chicken broth into skillet. in a small bowl, dissolve cornstarch in water. stir dissolved cornstarch into crawfish mixture and cook until thickened, about 35 minutes. serve over rice.