1. Place flour, salt, butter and sugar on a flat surface. Create a well in center.
2. Combine water and yeast. Add to flour mixture. Knead ingredients until well combined and mixture forms a ball. Cover and let dough rise 2 hours.
3. Preheat convection oven to 375°F.
4. Divide dough into 2 oz. portions. Roll each on lightly floured surface to form a 7-inch circle. Divide pepperoni, Mozzarella and mushrooms evenly over half of each circle.
5. Fold dough over filling. Seal edges. Place on parchment paper-lined half sheet pan. Brush with egg wash. Sprinkle with sesame seeds and thyme.
6. Bake 7 to 9 minutes. Cut each calzone into 3 strips and serve.
Nutritional information per serving: Calories 987; Total Fat 49g;
Saturated Fat 18g; Trans Fat 0g; Cholesterol 78mg; Sodium 3137mg;
Total Carbohydrate 102g; Dietary Fiber 5g; Total Sugars 2g; Protein 41g