1) Preheat the oven to 400° F.
2) Combine the peanut butter, butter or margarine, garlic and salt together.
3) Slice the bread loaf into 1-inch slices then spread the mixture in between the slices.
4) Wrap them in foil and bake in the preheated oven for 10-15 minutes.
5) Serve immediately in a nice plate.