Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: melt butter in a heavy large skillet over medium heat. add garlic, lemon peel and herbs; cook stirring occasionally approximately 5 minutes, being careful not to burn garlic. gradually add flour, stir till blended. gradually add wine, stir till blended. season with salt and pepper. stir until sauce thickens, about 1 minute. mix in tuna, heat through. place shells in serving bowl, pour sauce over and toss. garnish with lemon wedges and freshly grated parmesan cheese.

Target recipe: heat a non-stick pan, add a little water and saute the onion and garlic until lightly coloured. add the tomatoes and juice, green pepper, herbs, salt and pepper. simmer for about 5 minutes. add the tuna and cook a further 5-10 minutes to heat through. while sauce is simmering, cook the pasta in lightly salted water until tender. drain. place cooked pasta on a serving dish, top with the grated cheese and pour tuna sauce over. garnish with tomato. * can be doubled.