PERSIMMON-WALNUT COFFEE CAKE

Steps:

• Preheat oven to 350F.
• Grease and flour a 9" springform pan.
• Mix brown sugar and 1 Tbs flour in a small bowl.
• Press persimmons into a pulp into the bowl and mix.
• (see above comments.) In a medium bowl mix together 2 cups flour, baking powder, baking soda, salt.
• In a large bowl beat butter with an electric beater in medium-high for 20 seconds.
• Mix in sugar and vanilla.
• Add eggs, one at a time, beating after each.
• Add flour mixture and sour cream to the butter mixture, alternately, beating until just combined after each addition.
• (Your batter will be stiff) Spread half of batter into pan, building up a 1" rim of batter around the edges.
• Pour persimmon mixture into this crust.
• Carefully spoon remaining batter in small mounds to cover persimmon mixture.
• For Walnut Streusel: In a medium bowl stir together flour, sugar and cinnamon.
• Cut in butter until mixture resembles course crumbs.
• Stir in walnuts.
• Sprinkle this over your batter.
• Bake about 1 hour or until toothpick inserted into the center comes out clean.
• The filling will sink as the cake bakes.
• Cool in pan on a rack for 10 minutes.
• Remove springform sides.
• Let cool completely on rack.