Smoky Lentil and Sweet Potato Tacos

• 1/2 cup dry lentils
• 1 1/2 cups water
• 1 sweet potato or yam cubed (1 - 1 1/2 cups)
• 1 Tbsp olive oil
• 1/2 medium red onion chopped (3/4 cup)
• 1/2 tsp garlic powder
• 1/2 tsp chipotle chili powder or 1 chipotle chili in adobo sauce, chopped
• 1/4 - 1/2 tsp smoked paprika
• 1/2 tsp cumin powder or cumin seeds
• 1 tsp coriander powder
• 1/2 tsp dried oregano
• 1/2 tsp dried basil
• 3/4 tsp salt or more, to taste
• a generous dash of black pepper
• 1 Tbsp tomato paste or 1/2 large ripe tomato, finely chopped
• 1 tsp Sriracha sauce
• 1-2 tsp lime juice
• a dash of liquid smoke optional, for extra smokiness

Assembly

• hard or soft tacos I used gluten-free blue corn tortillas
• Lettuce or cabbage finely chopped
• Salsa of choice I used pico de gallo
• avocado, jalapenos, cilantro, lime juice