Lamb Kefta Burgers with Spicy Whipped Feta

Ingredients

• 3 pounds ground lamb
• 1 medium red onion, grated or minced
• 8 cloves garlic, minced
• 1 lemon, zested with microplane zester
• 1/2 cup finely chopped fresh mint
• 2 teaspoons coriander
• 2 teaspoons cumin
• 2 teaspoons dried oregano
• 1 teaspoon cayenne pepper, optional
• Kosher salt
• Spicy Whipped Feta, recipe below
• 1 cucumber, sliced thin
• Easy Pickled Red Onions
• 6 to 8 burger buns
• 1 cup crumbled feta cheese
• 1/4 to 1/3 cup jarred sliced hot cherry peppers
• 1/3 cup plain Greek yogurt
• 1/4 cup extra virgin olive oil
• Freshly ground black pepper