Zucchini Pie - Vegan - Vegetarian Recipe

Ingredients

• 1 C whole wheat flour
• 1/2 tsp salt
• 6 Tbsp margarine
• 2 Tbsp cold water
• 1 Tbsp olive oil
• 1 onion, chopped
• 4 medium-size zucchini, coarsely grated
• 2 Tbsp ground flaxseed mixed with 6 Tbsp cold water
• 1 cup non-dairy mozzarella style cheese, grated
• 1 Tbsp Dijon mustard (optional)