Preheat oven to 350 degrees.
Cream butter until light and fluffy, about 1 minute. Add in sugar and lemon zest; cream the mixture until well combined.
Add in the eggs, one at a time, beating well after each addition.
In a separate bowl, sift together salt, baking powder, flour and cornstarch.
Alternately add the dry ingredients (the flour mixture) and the milk to the butter mixture, beginning and ending with flour. Mix until just combined.
Add in 1/3 cup of strawberry sauce, sour cream, vanilla extract and crushed freeze dried strawberries. Mix until just combined.
If using red or pink gel food coloring, add in 2-3 drops and gently stir the coloring in until combined.
Grease a bundt pan very well and pour the batter into the pan evenly.
Bake for about 45-50 minutes, or until a cake tester comes out clean (mine took exactly 48 minutes).
Allow the bundt cake to cool about 10 minutes, then remove the cake from the pan and allow it to finish cooling on a wire rack.