1. Preheat the oven to 375°F.

2. Peel and slice 4 large baking potatoes into thin rounds.

3. Mince 2 cloves of garlic and mix with 1/2 cup melted butter.

4. Layer the sliced potatoes in a greased 9x13 inch baking dish, seasoning each layer with salt and pepper and brushing with the garlic butter mixture.

5. Sprinkle the top of the potatoes with 1 cup of freshly grated parmesan cheese.

6. Top with diced fresh tomatoes.

7. Bake for 45-50 minutes, until the top is golden brown and crispy.

8. Let cool for a few minutes before serving.