Step 1

Preheat the oven to 400 F.

Step 2

Peel and slice the onions thinly.

Step 3

Cover a baking sheet with parchment paper.

Step 4

Sprinkle the grated Parmesan over the baking sheet.

Step 5

Place the sliced onions on top of the Parmesan.

Step 6

Brush the olive oil over the top of the onions.

Step 7

Sprinkle the garlic power over the onions and season well with black pepper.

Step 8

Place in the oven and cook for 15 to 20 minutes until the cheese is golden.

Step 9

Let the cheese cool and harden for 10 minutes.

Step 10

Break or slice apart and then serve.