Caramelized Pear and Gorgonzola Pizza

INGREDIENTS

1/2

batch pizza dough, prebaked for 10 minutes

6 oz

gruyere cheese, shredded

4 oz

gorgonzola cheese

d'anjou green pears, cored and thinly sliced

1 tbsp

butter, divided

1/2

a large red onion, thinly sliced

1/2 tsp

fresh thyme leaves

2 tsp

honey

1 1/2 tsp

olive oil

1 tsp

rice vinegar

salt and pepper

1/4 cup

hazelnuts, chopped