Bawang Karamel, Butternut Squash, dan Pizza Kale Renyah

Bahan-bahan (6 porsi)

• 1/2 pound pizza dough, homemade or store-bought
• 1 tablespoon extra virgin olive oil
• 1 yellow onion, thinly sliced
• kosher salt and pepper
• 3 tablespoons crème fraîche
• 1 cup shredded fontina cheese
• 2 cups shredded Tuscan kale
• ½ small butternut squash, cut into ribbons using a vegetable peeler
• 8 fresh sage leaves, chopped
• 1 tablespoon honey, plus more for serving
• 1 pinch crushed red pepper flakes
• 8 ounces fresh buffalo mozzarella or mozzarella, torn
• 1/2 cup pomegranate arils
• 1 tablespoon toasted sesame seeds