Follow Food & Supply Source on Instagram & Facebook to see fresh, new menu ideas every Monday!  #MenuMonday Ingredients: 8 stand taco shells 1 lb ground beef 1 cup salsa 1 tbs taco seasoning 15oz black beans (rinsed and drained) 1 1/2 cups taco blend shredded cheese 1 cup lettice (shredded) 1 cup tomatoes (diced) . Directions; 1.Preheat oven to 400 degrees F. Prepares a casserole dish by lightly spraying cooking spray and then placing taco shells standing up into the dish. 2.Cook and crumble ground beef in a skillet. Once fully cooked drain fat. Add salsa, taco seasoning, and rinsed and drained black beans. Mix together well on low heat until...