Golden Spinach and Feta Bake (Crustless and Cheesy)

Ingredients

• 1 cup (240 g) plain Greek yogurt
• 3 large eggs
• 1/3 cup (80 ml) olive oil, plus more for the pan
• 1/2 cup (120 ml) water
• 3/4 cup (95 g) all-purpose flour
• 1/2 teaspoon fine salt
• 1/4 teaspoon black pepper
• 4 oz (115 g) feta cheese, crumbled
• 10 oz (285 g) fresh spinach, tough stems removed and leaves chopped
• 3 green onions, thinly sliced
• 1/4 cup chopped fresh parsley
• 2 tablespoons chopped fresh dill
• 1 tablespoon olive oil
• 2 oz (55 g) feta cheese, crumbled
• 1/4 teaspoon red pepper flakes, optional
• 1/3 cup (35 g) shredded Gruyere, kefalotyri, or Parmesan
• 1 teaspoon olive oil for drizzling