Seared Lamb with Marinated Halloumi and Herbs

Name: Seared Lamb with Marinated Halloumi and Herbs
Ingredients: 6 oz. Halloumi cheese, torn into small pieces; 1 tsp. fennel seeds; 1 tsp. mustard seeds; 2 Tbsp. pumpkin seeds (pepitas); 4 Tbsp. extra-virgin olive oil, divided, plus more for drizzling; ½ tsp. Aleppo-style pepper; 2 tsp. finely grated lemon zest; Kosher salt; 2 lb. ground lamb; Freshly ground black pepper; 2 cups mixed tender herbs (such as dill, cilantro, and/or mint); Flaky sea salt; Lemon wedges (for serving); Halloumi can be found at Greek markets, natural foods and specialty foods stores, and some supermarkets.