In a bowl, combine the tomatoes, hot pepper sauce, lime juice, coconut aminos, onion powder, chili powder, and season with salt and pepper to taste.
1 cup crushed Roma tomatoes, 2 tsp. chili powder, 2 tsp. onion powder, 2 tbsp. coconut aminos, 2 tbsp. fresh lime juice, 1 tbsp. hot pepper sauce, Sea salt and freshly ground black pepper
Place the beef and tomato sauce in a dish, making sure the beef is well covered in tomato sauce.
4 beef sirloin medallions, 1 cup crushed Roma tomatoes
Marinate the medallions for 2 to 4 hours in the refrigerator.
Preheat a grill to medium-high.
Remove the beef from marinade, and reserve the marinade.
Place the beef medallions on the grill, and cook for 4 to 5 minutes on each side, basting every minute or so with the remaining marinade.
Remove the medallions from the grill, and let rest for about 5 minutes.
Serve the medallions with minced jalapeño sprinkled on top.
1 jalapeño pepper