Karen's Leek Pie (quiche) with a "Magic Crust" - A Zest for Life

Ingredients

• 2 cups leeks (whites and lighter greens, cut into 1/2 inch rings, washed )
• 1/2 teaspoon extra virgin olive oil
• 2 cups milk (I use full fat)
• 6 large eggs (I use pasture raised)
• 1/2 teaspoon sea salt
• 3/4 teaspoon baking powder
• 1/2 cup gluten free flour blend (OR regular flour)
• 2 tablespoons fresh tarragon
• 1 1/4 cup Greek feta cheese (drained, large chunks)