Difficulty: Easy
Prep Time: 10 minutes
Cook Time: 8 minutes
1 tablespoon extra-virgin olive oil, plus more for drizzling
1 small onion, finely chopped
1/2 cup vodka
2 tablespoons Worcestershire sauce
2 teaspoons hot pepper sauce
1 cup tomato sauce
1 rounded tablespoon prepared horseradish
Kosher salt and freshly ground black pepper
1 1/3 pounds beef sirloin cut into large bite-sized pieces, about 1-inch squares
Steak seasoning blend or coarse salt and black pepper
6 to 8-inch bamboo skewers