Packed with amazing flavor, these black bean and sweet potato tostadas combine sweet corn, zesty lime, and spices for a hearty vegetarian dinner. Top with fresh avocado, salsa and cilantro.
Cook sweet potatoes. Toss diced sweet potatoes in 2 tablespoon oil and cumin, paprika, coriander, chili pepper, and sea salt. Heat 1 tablespoon of oil in a dutch oven or large skillet over medium heat. Cook for 15-20 minutes or until softened and lightly caramelized then remove from skillet and set aside.
Heat and season black beans and corn. Add remaining 1 tablespoon of oil to skillet and sauté onion then garlic until translucent. Add corn and black beans and cook for an additional 3-4 minutes, folding ingredients together gently.
Combine filling. Stir in cooked sweet potatoes then remove from heat.
Warm tortillas. Heat corn tortillas by wrapping the stack of them in foil and placing directly on a warm stove burner (set to medium-low) for 3 minutes on each side or until warmed through. Use tongs to handle.
Assemble tostadas. Layer sweet potato mixture on top of tostada, top with a spoonful of salsa, 2-3 slices of avocado, cilantro and 2 lime wedges. Add cheese if desired.
Notes
Stir potatoes a few times to ensure even browning. If potatoes are browning too fast but not softening, add a splash of water or broth and cover for 2–3 minutes to steam, then uncover to crisp.
Cook time with vary depending on size of sweet potatoes. Cut up smaller to cook faster.