Add 8 drops of food coloring to peanut butter and mix well to make it more mouth colored.

Slice off the sides of the apple leaving a 1" section in the middle which includes the core.

Slice each of the sides in half and then cut out a wedge in each to make a mouth.

If you are making these up in advance, use lemon juice on cut areas of apple to minimize browning.

Fill mouth with peanut butter.

If your apples are small, only one row of teeth will fit.

If you are using marshmallows, allow them to sit open on a counter for several hour to begin to dry out, so they are easier to cut.

Use scissors and cut diagonally to shapr fangs or horizontally to make teeth.

Use a knife to trim almond slivers if you want a nice straight edge for teeth.