To prepare the crust, lightly spoon matzo cake meal and matzo meal into dry measuring cups, and level with a knife.
Combine matzo cake meal, matzo meal, and next 4 ingredients (matzo cake meal through 1/4 teaspoon salt), stirring with a whisk; cut in 6 tablespoons butter with a pastry blender or 2 knives until the mixture resembles coarse meal.
Add 1 egg white, stirring just until moist; press into bottom of a 13 x 9-inch baking pan coated with cooking spray.
Bake at 350 for 20 minutes or until edges begin to brown; cool 15 minutes.
To prepare the filling, combine 1 1/3 cups brown sugar and next 7 ingredients (brown sugar through 1 large egg) in medium bowl, stirring well with a whisk. Stir in coconut and pecans.
Pour over the prepared crust.
Bake at 350 for 30 minutes or until set. Cool to room temperature. Cover and chill at least 1 hour.