Traditional Gyro Meat

INGREDIENTS

• 1/2 onion, cut into chunks
• 1 pound ground lamb
• 1 pound ground beef
• 1 tablespoon minced garlic
• 1 teaspoon dried oregano
• 1 teaspoon ground cumin
• 1 teaspoon dried marjoram
• 1 teaspoon ground dried rosemary
• 1 teaspoon ground dried thyme
• 1 teaspoon ground black pepper
• 1/4 teaspoon sea salt