Add the minced garlic and cook for 30 seconds until fragrant. Whisk in the flour to form a smooth roux, cooking for about 1 minute. Slowly pour in the milk while whisking constantly to prevent lumps. Stir in the heavy cream and bring the sauce to a gentle simmer until it thickens slightly—about 4–5 minutes.
Step 5: Add Parmesan and Seasonings
Remove from heat and stir in grated Parmesan cheese until melted and smooth. Add salt, black pepper, and a pinch of red pepper flakes if you like a little
