Preheat oven to 350° and grease a 9”-x-5” loaf pan with cooking spray with flour.

In the bowl of a mixer beat together butter and sugar until light and fluffy, 3 - 4 minutes. Add eggs, one at a time, beating well after each addition. Add vanilla paste.

In a medium bowl whisk together flour, baking powder, and salt. Fold dry ingredients into wet ingredients and stir until just combined. Scrape 1/4 of batter into a medium bowl and fold in caramel sauce until combined.

Alternating between batters, spoon large dollops into prepared pan. Using a wooden skewer swirl it into the batter.

Bake until a toothpick inserted into the middle comes out clean, about 50 minutes.

Let cool 10 minutes in the pan, then turn out onto a cooling rack to cool completely.