Caramelized Onion & Blue Cheese Quiche Recipe

Ingredients

• 1 Tbsp. unsalted butter
• 1 Tbsp. olive oil
• 4 cups thinly sliced onions
• 1 sprig each fresh thyme and rosemary
• Salt and black pepper to taste
• 2 cups all-purpose flour, divided
• 1 tsp. kosher salt
• 1 ½ sticks cold unsalted butter, cubed (12 Tbsp.)
• 4 oz. cream cheese, cubed
• 2 –4 Tbsp. ice water
• 1 ¾ cups each whole milk and heavy cream
• 6 eggs
• 1 ½ tsp. kosher salt
• ¼ tsp. ground nutmeg
• ⅓ cup blue cheese crumbles