Asparagus, Spring Onion, and Feta Quiche (Aunt Rose's Quiche)

INGREDIENTS

pkg. refrigerated piecrusts

2 tbsp

salted butter

2 cups

thinly sliced spring onions

bunch fresh asparagus, trimmed and cut into 1-inch pieces)

2 tsp

kosher salt, divided

3/4 tsp

black pepper, divided

1 cup

heavy cream

large eggs

2 tbsp

thinly sliced chives

2 tbsp

chopped flat-leaf parsley

1/8 tsp

ground nutmeg

3/4 cup

crumbled feta cheese, divided