Preheat oven to 350ºF. Grease a 4” x 8” loaf pan.
In a small bowl, prepare Strudel Topping by working ingredients with your fingers until crumbly.
In a large bowl, beat egg and pumpkin until blended well. Add zucchini.
In another bowl, mix all remaining ingredients. Add to zucchini mixture until fully combined.
Pour batter into prepared pan and top with Streusel Topping. Bake for 60 minutes. Cool on wire rack.