Russian Traditional Sour Cream Cake

This is one of the few cakes I like. It is very thick and heavy.
Russian Traditional Sour Cream Cake
2 Eggs
1 c Sugar
1 c Sour Cream
½ can Condensed Milk
½ c Flour
½ c Whole Wheat Flour
1 tsp baking soda w/vinegar
½ can Condensed Milk
½ pkg of Cream Cheese
1 tsp Vanilla
½ c Chopped peanuts

1)Beat together the eggs and sugar on high for 5 minutes.
2)Add in the sour cream, condensed milk and flours and mix.
3)Mix in the baking soda and vinegar.
4)Bake at 350F for 60 minutes in a greased and flour 8x8 pan.
5)Mix the remaining condensed milk, cream cheese, and vanilla.
6)Remove cake from the oven and cool completely.
7)Slice cake in half horizontally across the middle.
8)Layer with frosting, chopped nuts and top cake layer.