Ingredients 1 tablespoon olive oil 1 green bell pepper finely chopped 1 small onion finely diced 3 cloves garlic minced 1 cups water 1 cup broth beef or vegetable broth 1 cup brown lentils 1 cup tomato sauce ¼ cup ketchup 3 tablespoons tomato paste 1 teaspoon Worcestershire sauce (use vegetarian Worcestershire sauce if desired) 2 tablespoons brown sugar 1 teaspoon chili powder 1 teaspoon yellow mustard 1 tablespoon cider vinegar 8 hamburger buns Instructions Cook green pepper and onion in olive oil until softened, about 4 minutes. Add … Read more