Best Blondies Ever (with Brown Butter, Bourbon & Butterscotch)

INGREDIENTS

Eggs, large

2 1/8 cups

All-purpose flour

1 1/4 cups

Brown sugar, packed dark

3/4 cup

Granulated sugar

1 tsp

Kosher salt

1 1/2 cups

Semi or bittersweet chocolate chips

1 cup

Hazelnuts

2 sticks

(16 tablespoons, 225g) unsalted butter, unsalted

1 cup

Butterscotch chips

1/4 cup

Bourbon

1 tablespoon vanilla bean paste or extract