Charred Sun Gold Tomato and Fennel Pizza

Name: Charred Sun Gold Tomato and Fennel Pizza
Ingredients: 4 large garlic cloves, cut lengthwise into thirds; 2 Tbsp. extra-virgin olive oil; plus 2 tsp. if using conventional oven; plus more; 1¼ cups Sun Gold or cherry tomatoes; Kosher salt; ½ small fennel bulb, fronds reserved, very thinly sliced; Freshly ground black pepper; 1 ball All-Purpose Pizza Dough or 12 oz. store-bought pizza dough, room temperature; 3 oz. fresh mozzarella, torn; 3 Tbsp. thinly sliced drained oil-packed Calabrian chiles or ½ tsp. crushed red pepper flakes; All-purpose flour (for dusting; if using pizza oven)