Directions

1. 1
   Heat a large skillet over medium heat. Cook beef in a hot skillet until completely browned, about 5 minutes; season with salt and pepper. Transfer beef to a slow cooker, retaining some of the beef drippings in the skillet.
2. 2
   Return skillet to heat and heat the retained drippings. Saute onion and garlic in hot drippings until softened, about 5 minutes; add to beef in the slow cooker.
3. 3
   Stir potatoes, diced tomatoes, sofrito, and olives into the beef mixture.
4. 4
   Cook on Low until beef and potatoes are fork-tender, 4 to 5 hours.