Step 1

Chop onion.

Step 2

Add half of onion and next 5 ingredients to large zipper bag.

Step 3

Dice tomato. De-seed and dice jalapeño. Add remaining onion, diced tomato and jalapeño, and remaining ingredients to a small bowl with lid (this is the pico).

Step 4

Add prepped mixture to slow cooker and cook on low for 6-8 hours.

Step 5

Shred beef. Build tacos with beef, prepared pico, and crumbled queso fresco.

Step 6

Heat black beans according to package directions and serve with tacos.