Lentil lettuce cups from Vegan Yumminess is a healthy Tex-Mex meal. Onions, bell pepper, and mushrooms are sauteed before the corn and lentils are added to the mixture. The filling is heavily spiced with chile powder, paprika, garlic powder, and cayenne pepper. These lentil lettuce cups rival any recipe with their flavor and combination of textures. For full recipe instructions, click here.