Add milk and vanilla, and mix until well combined. Add flour, cornstarch, baking soda, and ¾ teaspoon salt. Mix until well combined, being careful not to overmix. Fold in chocolate chips until evenly ...
Add the chocolate chunks and mix to combine. Spoon over dollops of the dulce de leche and swirl into the mixture using a butter knife. Bake for 45 minutes or until the brownie is set. Allow to cool in ...