2 tbsp. olive oil 1 medium onion diced 3 garlic cloves, minced 1 1/2 tsp. freshly grated ginger 1-2 tbsp. berbere spice blend, to taste, i went with 2 tablespoons but i like lots of spice 1/2-1 tsp. cayenne pepper, or to taste, optional 4 cups vegetable broth 1 1/2 cups dried red lentils