Add the 1/4 cup ube halaya jam, 1/4 cup crème fraîche, 2 tablespoons granulated sugar, 2 teaspoons ground cinnamon, 1 teaspoon ube extract, and a pinch of salt and whisk them together until you get a fully purple mixture with a thick consistency.
Spread the mixture onto the dough using a spatula. Make sure to give an even spread for better results.
After spreading the filling, you will want to roll up the dough into a log starting from the longer side. You should be able to cut the log into 7-8 pieces in total.
Transfer the cut pieces to a 9-inch, deep-dish pan and place them in a way that forms a flower. Cover the pan with plastic wrap and let the dough pieces rest in a warm place for about 1 to 1 1/2 hours or until the edges are rounded and touching.
While waiting, you will need to preheat your oven to 350F or 176C
After the rolls have risen, bake them for around 30 to 35 minutes, or until the edges of each bun are golden in color.Note: You can check that the rolls are ready by sticking a toothpick or skewer in the center and see if it comes out clean. Once the rolls are baked, place the pan on a cooling rack.