Gluten Free Veggie Burgers with Caramelized Onions and Lime-Garlic Aioli

Veggie Burgers: Ingredients: 1 cup French Lentils 2.5 cups water 2 Cinnamon sticks 1 tsp. Salt 1 tsp. Black Pepper 1 TBLS. onion powder 1/4 tsp. chili pepper flakes 1/2 tsp. smoked paprika 1/2 tsp. Allspice 1/2 tsp. dried thyme 1 TBLS. vegetable oil Directions:  Bring lentils to boil with...