1 tbsp. Maple syrup, for serving (optional)
24 Whole pecans
3/4 cup Mini marshmallows
8 oz. Refrigerated Crescent rolls
1/2 tsp. Kosher salt
1/2 tsp. Pure vanilla extract oil
1/2 tsp. Ground cinnamon
2 tbsp. Heavy cream
1/4 cup Packed brown sugar
3 Medium sweet potatoes, scrubbed clean
Cooking spray