Loaded Cauliflower Bake

Preheat oven to 350°. In a large pot of salted boiling water, blanch cauliflower, 3 minutes. Drain and squeeze cauliflower of water. Make cheese sauce: In a large skillet, melt butter. Add garlic and cook until fragrant, 1 minute, then add flour and stir until golden, 2 minutes. Add milk and bring to a low simmer, then add cream cheese, whisking until combined. Remove from heat and stir in 1 cup cheddar until melted, then season with salt and pepper.