INGREDIENTS
1 tbsp
olive oil
1 small
onion
1 medium
bell pepper
3 cloves
garlic
1 cup
green lentils
1 pinch
salt
3 1/2 cups
water
1 cup
ketchup
2 tbsp
mustard
2 tbsp
vegetarian worcestershire sauce
2 tbsp
maple syrup
2 tbsp
apple cider vinegar
1 serving
hamburger buns