Preheat oven 350F and grease two 8” pans liberally and line with parchment circles if desired.

Sift together the all-purpose flour, baking powder, corn starch and salt. Set aside.

In a mixing bowl f cream together the butter and sugar until light and fluffy.

Beat in the ube puree, vegetable oil and ube flavoring until smooth.

Mix in the eggs one at a time, making sure to scrape down bowl.

Add flour mixture and buttermilk, to the creamed mixture, in alternating portions while mixing on low.

Pour into prepared pans and bake for 30 minutes. Check with a tooth pick for doneness and let cool before unpanning.

Garnish with frosting as desired.