Steps

1. Preheat oven to 450
2. Wash and slice potatoes into 1/8" thick rounds
3. Melt butter with garlic - don't let it burn
4. Butter bottom and sides of about 8 or 9 inch cast iron pan, or oven proof pot really well
5. Layer the potato slices in concentric circles on bottom of pan
6. Brush with melted butter, sprinkle with Kosher salt and fresh ground pepper
7. Repeat layering - potatoes, butter, salt, pepper - until you're out of potatoes
8. Top with a final brushing of butter then salt and pepper
9. Bake about 45 minutes
10. Turn up oven to 500 and bake for 15 minutes more or until the top is crispy
11. Invert onto a platter and serve in wedges, with spoonful of sour cream and caviar on top
12. Sprinkle with green onions