Cook turkey or beef in large skillet over medium-high heat 7 minutes or until crumbled and no longer pink, stirring occasionally; drain. Stir in Sloppy Joe sauce and cumin; simmer 5 minutes.
Preheat oven to 350 degrees.
Line taco shells in a 9x13 pan and evenly divide Sloppy Joe mixture in the shells. Sprinkle with shredded cheese, and place in oven for 5-7 minutes, or until cheese is melted and shells are warm.
Divide lettuce evenly between taco shells.
Recipe by Kitchen Meets Girl at https://kitchenmeetsgirl.com/sloppy-joe-oven-baked-tacos-2/