Preheat the oven to 450°F. Line a rimmed baking sheet with a silicone mat or parchment paper.
Make the miso glaze. Combine the oils, mirin, honey, miso, ginger, salt and pepper in a small bowl. Mix with a small whisk or fork until the miso is fully incorporated into the sauce.
Glaze the cauliflower. Add the cauliflower to a medium mixing bowl. Pour the miso glaze over the cauliflower and toss to coat.
Bread the cauliflower. Pour the panko into a dish with low sides. Once the cauliflower is coated with miso glaze take each floret and dip it into the panko, being sure to coat thoroughly. Place the coated floret on the baking sheet, leaving room between each one Repeat until all florets are coated.
Roast the cauliflower. Roast for 20 minutes or until the florets are golden brown. Remove from oven and serve immediately with dipping sauce.
Make the dipping sauce. While the cauliflower is roasting, combine crème fraîche, mascarpone, honey, cumin and pepper in a small bowl. Mix well and refrigerate until ready to use.