1/2 lb. butter
1 1/2 c. sugar
1 tsp. vanilla
1/4 tsp. lemon extract
4 eggs
3 c. flour
1 tsp. salt
1 tsp. cream of tartar
1/2 tsp. baking soda
1 c. strawberry jam
1/2 c. sour cream
1 c. chopped walnuts

Cream butter, sugar, vanilla and lemon extract until fluffy. Add eggs, one at a time, beating well after each addition.

Mix flour, salt, cream of tartar and soda. Combine jam and sour cream. Add jam mixture alternately with dry ingredients to creamed mixture beating until well combined. Stir in nuts. Put in 2 greased and floured loaf pans and bake in 350 oven for 55 minutes. Keep refrigerated. Slice thin.