Preheat oven to 350 degrees, and grease an 8×8 baking dish.
Melt butter in a large mixing bowl in the microwave in 30 second intervals, until melted. Add sugar, eggs, and vanilla; stir to combine.
Now add flour, baking powder, and salt; stir to combine.
Fold in the chocolate chunks, peanut butter chips, toffee bits, and coconut. Spread into prepared baking dish, and bake for 25-35 minutes until top is slightly golden and middle is set.
When they are finished baking, allow to cool for 10 minutes, then cut into squares and enjoy!