Peanut Butter Crumb Cake

From Libby's old newspaper clipping. I've tried this and it is a great cake. It is very beautiful.

• Ready In: 1 hr
• Serves: 6

Ingredients

• 2  cups brown sugar
• 2 1⁄2 cups  sifted flour
• 1⁄2 teaspoon salt
• 6  tablespoons butter
• 1⁄2 cup peanut butter
• 1  cup buttermilk
• 2  eggs
• 1  teaspoon baking soda
• 1  tablespoon water
• 1  teaspoon vanilla

Directions

1. Mix together brown sugar, flour, and salt.
2. Cut in butter and peanut butter until texture is like cornmeal.
3. Take out 2/3 cup of this crumb mixture. Set aside.
4. To the rest of the flour mixture, add buttermilk, eggs, baking soda dissolved in 1 tablespoon water, and vanilla.
5. Beat and pour into a greased pan.
6. Sprinkle with reserved crumbs.
7. Bake at 375°F for about 30 minutes or until done.