Sloppy Joes Plus

Name: Sloppy Joes Plus
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: American
Ingredients: 3/4 cup dry brown lentils ($0.34); 1 Tbsp olive oil ($0.13); 1 clove garlic ($0.08); 1 Vidalia onion ($0.53); 1 green bell pepper ($0.50); 1 lb. lean ground beef ($4.57); 1 15oz. can tomato sauce ($0.69); 3 oz. tomato paste ($0.29); 3 Tbsp apple cider vinegar ($0.09); 3 Tbsp brown sugar ($0.12); 1/2 Tbsp Dijon mustard (optional) ($0.04); 1/2 tsp salt ($0.02); 1/2 tsp chili powder ($0.05); 8 hamburger buns ($2.29)