This is adapted from a recipe that Williams Sonoma posted 12-15 years ago. It is fabulous. They do not have it on their website anymore.
1/2 cup butter room temperature
3/4 cup white sugar
1/4 cup brown sugar
2 eggs
1/2 cup sour cream
1 teaspoon salt
1/4 teaspoon cinnamon
1 teaspoon vanilla
1/4 teaspoon baking soda
1/2 teaspoon baking powder
1 3/4 cup flour
2 cups berries
crumb topping:
1/4 cup flour
1/8 cup white sugar
1/8 cup brown sugar
2 tablespoons butter
1/4 teaspoon cinnamon
Mix the butter and sugar until creamy. Add the eggsa and vanilla. Stir in the sour cream. Add the dry ingredients. Finally add the berries. Place into a greased 8×4 loaf pan. Preheat thr oven to 350 degrees. Prepare the crumb topping by mixing all of the ingredients until crumbly. Place on top of bread. Bake 60-90 minutes or until toothpick inserted comes out clean.
The Funky Oven 