Grate squash into a bowl until you have 2 cups worth. Squeeze out any extra water from the squash.
Preheat oven to 350F. Spray 2 medium loaf pans with non-stick cooking spray.
In a large bowl, mix together flour, baking powder, baking soda, stevia/sugar and pudding mix.
In a separate bowl, blend together eggs, vegetable oil, yogurt, lemon juice & extract.
Slowly fold in shredded squash and poppy seeds until well combined.
Evenly distribute the batter into the two greased loaf pans and bake for 45-50 minutes, or until completely done in the center. Allow to cool completely before adding optional glaze.
Notes
For Glaze: 1/2 cup powdered sugar 3-4 Tbs lemon juice