Step 1

Heat olive oil in a medium saucepan over medium-high heat.

Step 2

Add onions, jalapeño (if using), cumin, salt, oregano, and smoked paprika. Stir and saute for 3-5 minutes, until onions have softened and become translucent.

Step 3

Add garlic and saute for 30 seconds, until fragrant.

Step 4

Add black beans, tomato paste, and water. Stir to combine and cook for 3 more minutes, constantly stirring to make sure the tomato paste completely dissolves.

Step 5

Taste and season with more salt if necessary.

Step 6

Remove from heat and serve in warm corn tortillas topped with shredded lettuce, shredded cheese, and a drizzle of cilantro lime crema or lime juice.