Baked Crepes with Mushrooms and Spinach

Name: Baked Crepes with Mushrooms and Spinach
Ingredients: 1 3/4 cup 218 g All-purpose flour; 1/2 tsp. 2.5 g Salt; 12 FL OZ / 270 ml Milk; 1 large egg mixed; Oil for greasing pan/or unsalted melted butter; Makes about 10 crepes; 2 tablespoons olive oil, seperate; 1 handfuls of Organic baby Spinach; 6 mushrooms, sliced (White Button Mushroom, Baby Bella, or Cremini Mushroom); Generous pinch of salt and pepper; 1/4 tsp. onion powder; 1/2 cup of feta cheese, reserve some for the top; 2 eggs large; 1 teaspoon dried parsley