Raspberry, Apple, Gruyere Pizza with a Balsamic Glaze

INGREDIENTS

1 lb

your favorite pizza dough

1 tbsp

butter

3 tbsp

olive oil, divided

vidalia onion, sliced

garlic clove, minced

2 1/2 cups

freshly grated Gruyere cheese

1/2

an apple, thinly sliced

1/2 cup

fresh raspberries

1 cup

freshly grated Parmesan cheese

balsamic glaze for drizzling