For the Donuts:
1 3/4 cups all-purpose flour
2 teaspoons baking powder
1/2 teaspoon salt
1/2 teaspoons cinnamon
1/2 teaspoons nutmeg
1/2 teaspoon allspice
1/8 teaspoons ground cloves
1/3 cup canola oil
1/2 cup light brown sugar
1 large egg
1 teaspoon vanilla extract
3/4 cup canned plain pumpkin (not pumpkin pie filling)
1/2 cup milk

For the Coating:
4 tablespoons unsalted butter, melted
2/3 cup granulated sugar
2 tablespoons cinnamon