Caramel Apple Crisp Cupcakes

Why I Love This Recipe
Stolen from Bake & Destroy!
Ingredients You'll Need
Batter:
1 1/2 cups all purpose flour
1 1/2 tsp baking powder
1/4 tsp salt
1 cup granulated sugar
1/2 cup unsalted butter, melted and cooled slightly
2 eggs
1/2 tsp vanilla
1/3 cup milk
1 apple, peeled, cored and diced
Streusel:
3/4 cup packed light brown sugar
1 tsp cinnamon
2 Tbs unsalted butter, room temp.
pinch salt
For the frosting you will need:
1 cup whipping cream
1/2 cup packed light brown sugar
1/4 cup light corn syrup
* 1 Tbs unsalted butter
* 1/4 tsp salt
Directions
* 1/4 tsp salt
Then you:
Combine cream, sugar, corn syrup, butter and salt in a heavy saucepan. Heat over medium-high heat for about two minutes or until sugar is dissolved and butter is melted. Decrease heat to medium and cook, stirring often, for 10-15 minutes, until caramel is thickened. Remove from heat and stir until smooth, then pour into a bowl. Let cool in bowl, stirring occasionally. Caramel with thicken further upon standing. Stir cooled caramel well and spread on cooled cupcakes.