Preheat oven to 375 degrees.
Line cookie sheet with parchment paper .
Cream sugars, butter and peanut butter together until fluffy.
Add egg and vanilla.
Add water.
Beat well.
Add all dry ingredients on low.
Fold in one cup of Reese's mini candies.
Scoop Tablespoons of dough onto sheets.
Flatten each cookie a bit and press in 1-2 Reese's minis. (If pressed on top, they will melt)
Bake for about 8 minutes or until they are set.
Let cool on sheets a few minutes.