Pre-heat oven to 350 degrees. Grease or line 2 cookie sheets with parchment paper.
In a large mixing bowl, stir together hot water and espresso powder until the espresso powder is dissolved.
Add in melted butter and sugar. Stir to combine.
Add in eggs. Stir to combine.
Add in baking soda, pumpkin pie spice, and vanilla. Stir to combine.
Add in flour, 1/2 cup at a time, stirring to combine.
Fold in toffee bits and white chocolate chips.
Scoop dough by the tablespoonful and place on cookie sheet leaving at least 4 fingers of space between each cookie. (These cookies contain butter so they spread quite a bit).
Bake cookies at 350 degrees for 12-15 minutes. Allow to cool and enjoy!