Use your favourite brownie recipe (even boxed brownies!) and add in your desired sweets in a 9x9 pan. The only note, do not add extra liquid as it will change the consistency of the brownies.
Chocolate peppermint joy brownies:
Once cool, spread a thin layer of chocolate ganache on top of your brownie. Sprinkle 1/4 cup crushed candy canes and ¼ cup festive sprinkles.
Raspberry white chocolate brownies:
Before baking, sprinkle white chocolate and raspberries across the top of your 9x9 pan and gently mix into brownies. Bake as normal.
Salted caramel surprise brownies:
Before baking, gently press each caramel into your brownie batter-filled pan, trying to space them out So there is caramel in the middle of each brownie. Bake as normal.