Preheat oven to 350 F.
Line 8 x 8 inch baking dish with parchment paper.
In a large pot, melt butter over medium heat.
Once melted, remove from heat and stir in sugars until smooth.
Add eggs and eggs yolk one at a time stirring between each addition.
Add in vanilla.
Stir in cocoa powder, flour, and salt until fully incorporated.
Stir in 1 cup of DelightFulls.
Pour batter into prepared baking pan.
Swirl a 1/2 - 3/4 cup of caramel sauce in the brownies batter.
Top with remaining DelightFulls morsels.
Bake for 50 - 55 minutes until a thin film forms over the whole batch.
Use parchment paper to lift brownies from pan.
Slice with a plastic knife and drizzle with remaining caramel sauce!