Preheat the oven to 375° and spray a 12-count muffin tin with non-stick cooking spray.
Slice jalapenos in half and remove stem and seeds. Dice into 1⁄4 inch pieces.
Over medium heat add the butter to a sauté pan and cook jalapenos for 3-5 minutes or until soft.
In a medium sized bowl, add cream cheese, Parmesan and basil. Mix until combined.
Fold in pizza sauce and sauteed jalapeños into the cream cheese mixture. Set aside.
If using a whole large pepperoni slice in half to create half moons.
On a floured surface roll out crescent dough, and pinch the perforations together.
Lightly roll out the dough with a floured rolling pin.
With a pizza cutter, shape dough into a rectangle, cutting off any uneven areas.
Cut 2-inch strips vertically to create 6 strips of dough.
Take one strip and smear cream cheese mixture from the bottom, halfway up the strip, lengthwise.
Press 5-6 pepperoni halves to the top half of the dough; overlapping onto the cream cheese mixture.
Fold the bottom half of the dough strip up on itself, leaving pepperoni peeking out of the top.
From one side of the dough start rolling it into itself like a pinwheel and place in the prepared muffin tin.
Repeat with remaining ingredients.
Bake for 18 minutes or until the center of the rose has begun to bubble and crescent dough has browned.