Spanakopita Baked Eggs

Ingredients (10)

• 1-1/2 lbs frozen spinach thawed [24 ounces]
• 1 tsp olive oil
• 1/2 medium yellow onion thinly sliced [1 1/2 cups]
• 1 tsp kosher salt
• 1/2 cup chopped scallions [3-5 scallions depending on the size]
• 1/2 cup chopped dill
• 3/4 cup crumbled feta
• Juice of 1 lemon
• Black pepper to taste
• 4 large eggs