Spinach Puffs - Master recipes

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 -