For muffins:
2 2/3 cups all-purpose flour
3 tablespoons espresso powder
2 teaspoons baking soda
1 teaspoon ground cinnamon
1/8 teaspoon ground cloves
1 teaspoon salt
1 15-ounce can pumpkin puree
1 cup sugar
1 cup brown sugar
1 cup vegetable oil
4 large eggs

For streusel topping:
1/2 cups rolled oats
1/2 cups flour
1/2 cup brown sugar
1/4 cup unsalted butter, melted
1/4 teaspoon salt