Cheesy Creamy Cauliflower - FINITE FOODIE

Ingredients

• 1 large shallot (or small onion)
• 3 tablespoons butter
• 1 head cauliflower
• 1 tablespoons flour ((any type))
• 3/4 cup cream (or half-and-half)
• 1 teaspoon dried rosemary leaves ((divided))
• 1 pinch red pepper flakes
• 1 pinch ground nutmeg
• Salt and pepper (to taste)
• 1 cup grated cheese (Cheddar or Swiss)