*** Sift flour, baking soda and salt in bowl. Set aside. Cream butter with sugar in another bowl. Add vanilla and beat with electric mixer. Add eggs, one at a time, beating mixture till light and fluffy. Add flour mixture, alternating with sour cream (end with flour). Divide batter in half. Place 1/2 batter into greased and floured bundt / tube pan. Melt chocolate squares in top of a double boiler. Add melted chocolate to remaining 1/2 of batter and mix. Pour chocolate batter over yellow batter in bundt pan. Pull a knife in a zigzag manner through batter to give marble effect. Bake in 350F for 90 minutes. Cool and remove from pan.
Cajun Country -- New Iberia, Louisiana