Spicy Beef Skewers with Chimichurri Sauce

Ingredients

• 1 pound beef sirloin, cut into 1-inch cubes
• 2 tablespoons olive oil
• 2 cloves garlic, minced
• 1 teaspoon paprika
• 1 teaspoon ground cumin
• 1/2 teaspoon cayenne pepper
• 1 teaspoon dried oregano
• Salt
• pepper
• Wooden or metal skewers (if using wooden, soak in water for 30 minutes)
• 1 cup fresh parsley, finely chopped
• 1/2 cup fresh cilantro, finely chopped
• 4 cloves garlic, minced
• 1/2 cup olive oil
• 2 tablespoons red wine vinegar
• 1 tablespoon lemon juice
• 1/2 teaspoon red pepper flakes