Ingredients

1 lemon, thinly sliced, seeds removed
2 garlic cloves, lightly crushed
1 cup olive oil
1 teaspoon kosher salt
½ teaspoon crushed red pepper flakes

Recipe Preparation

Bring lemon, garlic, oil, salt, and red pepper flakes to a very bare simmer in a small saucepan over low heat and cook (without stirring) until lemon is just tender, 20–30 minutes. Let cool; discard garlic.

Do Ahead: Lemon oil can be made 1 month ahead. Cover and chill.

https://www.bonappetit.com/recipe/lemon-oil