Preheat the oven to 425 degrees F with the rack at the middle position.
Place the golden raisins in a small bowl with just enough water to cover them. Heat them in the microwave for 30 seconds and let them sit on the counter.
Core the cauliflower and slice in ½ inch thick slices. Transfer to the baking sheet lined completely with parchment, drizzle with several tablespoons of olive oil. Being careful to not break the slices, turn each slice of cauliflower over – making sure each slice has olive oil and salt and pepper on both sides.
Roast cauliflower in the oven for 10 minutes, gently turn over each slice with a metal spatula, and then sprinkle the golden raisins and the sliced garlic onto the pan. Be sure to keep them on the cauliflower or on the parchment paper, or they will burn.
Bake for 8 more minutes. pull the cauliflower out and sprinkle with the Asiago cheese - focus on placing the cheese directly on the cauliflower.