Pumpkin Zucchini Loaf with Streusel Topping

Description:

Ingredients:

1 egg
½ cup canned pure pumpkin
1-1/2 cups zucchini, grated
1-1/2 cups flour
1 cup sugar
1-1/2 tsp cinnamon
1 tsp baking soda
1 tsp salt
½ tsp nutmeg
¼ tsp allspice

Streusel Topping:
⅔ cup flour
¼ cup packed brown sugar
2 Tbsp granulated sugar
½ cup butter