Heat olive oil in a pan on medium high heat. Add onion, garlic, salt and pepper and cook until fragrant and onion is translucent.
Add carrot, cumin, coriander, chili powder, and cayenne pepper. Continue cooking until carrot is tender. Remove from heat and set aside.
In a bowl, mash black beans. Add onion-carrot mixture, soy sauce, and oats. Mix well. Form mixture into 8slider-sized patties.
Freeze patties for 10 minutes to set.
Coat a clean pan with oil and heat over medium heat. Remove patties from freezer and place in pan. Cook patties, flipping halfway through.
Top slider bun with desired toppings