First, cut the meat into cubes and place it in a deep bowl.
Mix all the ingredients for the marinade and pour it over the meat. mix well with a spoon and cover the bowl with a lid or a wide plate. Place it in the refrigerator for 24 hours.
One hour before grilling, chop all the vegetables and add them to the meat and marinade. mix well so that all the pieces of vegetable get covered with the marinade.
Thread the meat cubes and vegetables on wooden skewers. Try to place one cube of meat, followed by a few pieces of vegetables and then repeat. Each stick should have 4 cubes of meat.
Grill for 15-20 minutes and keep turning the sticks. You can use a grilling pan or a standard grill.
Ideally, serve with Tzatziki sauce that you can prepare by following this recipe. You can also serve it with Keto pita bread which you can prepare by following this recipe.