Chocolate Chip Tea Ring

4 lb butter (6.5oz)
7 lb 6 oz sugar (11.5oz)
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4 lb 2 oz sour cream (6.5oz)
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5 lb 4 oz flour (8.5oz)
3 Tbsp baking powd (1tsp)
2 Tbsp salt (0.75tsp)
1 Tbsp vanilla (p.)
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3 lb 8 oz chocolate chips (5.5oz)

=Stir 2. & 3. into 1. alternately, then 4.