Sticky Date and Coconut Cake

adapted from Cooking Light

Cake:
1 cup chopped pitted dates
1 cup water
1 teaspoon baking soda
3 tablespoons butter
Dash of salt
6.75 ounces all-purpose flour (about 1 1/2 cups)
1 teaspoon baking powder
1/2 teaspoon salt
1 cup granulated sugar
1 teaspoon vanilla extract
1 large egg, lightly beaten
Cooking spray

Topping:
2/3 cup packed light brown sugar
1/2 cup flaked sweetened coconut
2 1/2 tablespoons butter
2 teaspoons fat-free milk

1. Preheat oven to 350°.
2. To prepare cake, combine first 5 ingredients in a small saucepan; bring to a boil, stirring occasionally. Remove from heat, and let stand 10 minutes or until dates are tender.
3. Weigh or lightly spoon flour into dry measuring cups; level with a knife. Combine flour, baking powder, and 1/2 teaspoon salt in a bowl. Stir in date mixture, granulated sugar, vanilla, and egg until well combined. Pour batter into a 9-inch springform pan coated with cooking spray. Bake at 350° for 20 minutes.
4. To prepare topping, combine brown sugar and remaining ingredients in a small saucepan; bring to a boil. Reduce heat, and simmer 1 minute. Pour brown sugar mixture over cake; bake at 350° for an additional 13 minutes or until a wooden pick inserted in center comes out clean. Cool in pan 5 minutes on a wire rack. Run a knife around outside edge. Cool completely on a wire rack.