Twix bars (Millionaire Shortbread)

Ingredients

SHORTBREAD LAYER

• 1 c. 

  (2 sticks) butter, softened

• 1 c. 

  granulated sugar

• 1 tsp. 

  pure vanilla extract

• 2 1/4 c. 

  all-purpose flour

• 1/2 tsp. 

  kosher salt

CARAMEL LAYER

• 2 

  (11-oz.) packages caramel squares 

• 1/2 c. 

  heavy cream

CHOCOLATE LAYER

• 2 c. 

  semisweet chocolate chips

• Flaky sea salt, for garnish

Directions

• 1. Step 1Preheat oven to 300°. Line a 13"-x-9" pan with parchment paper and spray with cooking spray. Make shortbread layer: Cream softened butter with sugar until light and fluffy. Add flour, salt, and vanilla and mix until a bread crumb texture forms. 
  2. Step 2Press mixture into a prepared pan and prick all over with a fork. 
  3. Step 3Bake until lightly golden, 30 minutes. Let cool completely. 
  4. Step 4Make caramel layer: in a small saucepan over medium-low heat, stir caramels and cream together until melted, 10 minutes. Pour over cooled shortbread crust. 
  5. Step 5Make chocolate layer: Melt chocolate in microwave in 30 second intervals and stir until smooth. Pour over caramel layer. 
  6. Step 6Refrigerate 20 minutes until firm, then slice into bars. Top with flaky sea salt. 

https://www.delish.com/cooking/a25781497/millionaire-shortbread-recipe/?fbclid=IwAR1UwDCioJiDDQm4X8upzelxASfTMALF8uxYpJ-tVJvFKwXdHZf6ZHAJGKg