In a large bowl or stand mixer cream together butter, SunButter, and brown sugar
Once well creamed, add in vanilla, egg and applesauce. Mix well
Next, add in flour and salt. Mix until evenly combined. Cookie dough will be relatively thick and firm
Refrigerate cookie dough for 30 minutes-2 hours
Preheat oven to 350 Degrees and line a baking sheet with a spill mat or parchment paper
Place the remaining 1/4 cup brown sugar into a small dish- be sure sugar is not packed
Take a spoonful of dough (~1.5 tbsp) and roll it into a ball and place it in the brown sugar dish and roll it around to lightly coat. Place on cookie sheet
Repeat this process with remaining dough
Bake cookies for 10 minutes
Remove cookies from the oven and immediately place a chocolate onto the center of the cookie and light press it down. Repeat for all cookies
Allow cookies to cool fully, and enjoy!
Notes
The cookie dough needs time to chill, be sure to take this into account when making these! The number of bags of chocolate hearts will depend on which brand you purchase and how many come in the bag.