Fast-Track Cheesy Potato Gratin

Slice potatoes thin (about 1/8 inch) using a mandoline or sharp knife. Stack them and keep them neat — uniform thickness means uniform cooking.

Mince the garlic cloves until fine. This distributes better than leaving big chunks that burn.

In a large microwave-safe baking dish (about 9x9), melt the butter on high for 30 seconds. Add minced garlic and cook 20 seconds more until fragrant — this blooms the garlic without drama.

Pour in heavy cream, salt, black pepper, and nutmeg. Whisk together in the dish. The nutmeg is classic gratin flavor and it holds up beautifully to microwave cooking.

Layer potato slices into the cream sauce, overlapping like roof tiles. Do two to three layers, then pause — don't just dump them all in.

Microwave on high for 5 minutes. Open the door, let it breathe for 2 minutes (steam escapes, potatoes settle). This rest prevents the violent boil-over situation.

Continue microwaving on high for 3-4 minutes until potatoes are tender when pierced with a fork and the sauce has thickened.

Scatter the cheddar cheese evenly across the top. Push it to the edges — those corners crisp up first and they're the best part.

Microwave on high for 2 minutes, then check. The cheese should be bubbling at the edges. If you want deeper browning, hit it for one more minute. Watch it — microwave cheese goes from perfect to burnt fast.

Let rest 3 minutes before serving. The dish will be volcanically hot and the cheese will set up enough to slice cleanly.