Spinach Puffs | Umami

Ingredients

• 1 tbsp. vegetable oil
• 1/3 c. onion, finely chopped
• Kosher salt
• 2 cloves garlic, minced
• 4 oz. cream cheese, softened
• 2 eggs, divided
• 1 (10-oz.) package frozen spinach, thawed and squeezed as dry as possible
• 3/4 c. crumbled feta
• 2 tbsp. fresh dill, chopped
• 2 tsp. lemon zest
• Freshly ground black pepper
• Cooking spray
• All-purpose flour, for rolling puff pastry
• 1 sheet from 1 (17.3-oz) package puff pastry, thawed in the refrigerator