Beef Flatbread with Herb Sauce

Ingredients

• Flatbread
• 4 tablespoons extra-virgin olive oil, divided
• 16 ounces store-bought pizza dough
• 12 ounces ground beef
• 2 teaspoons cumin
• 1 teaspoon coriander
• ¾ teaspoon Aleppo pepper
• 1 teaspoon salt
• ½ teaspoon freshly ground black pepper
• 1 tablespoon lemon zest
• Herb Sauce
• 1¼ cups parsley leaves
• 1 cup cilantro leaves
• 1 cup mint leaves
• 1 garlic clove, smashed
• 1 lemon, zested and juiced
• ¼ cup olive oil
• Salt and freshly ground black pepper, to taste
• 1 lemon, sliced
• Red-pepper flakes, to taste