By Alexandra EmanuelliView →
TRI-LAYER DECADENCE
These Millionaire Bars Have the Thickest Caramel Layer
★★★★★
5.0 (460)|(2 Reviews)Crispy butter shortbread crust topped with gooey golden condensed milk caramel and dark chocolate ganache.
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By Simply Recipes Kitchen (Test Kitchen)•Published April 2, 2026
⏱ 2 hrs 45 mins (incl. chill)
Simply Recipes / Test Kitchen🔥 320 kcal
WHY MAKE THIS
- Three distinct, contrasting layers of crunch, chew, and chocolate.
- The thickest caramel layer of any bar cookie.
TRI-LAYER DECADENCE
These Millionaire Bars Have the Thickest Caramel Layer
Also known as Caramel Shortbread: a crisp Scottish shortbread base, covered with an ultra-thick layer of simmered condensed milk caramel, capped with smooth dark chocolate that snaps when cut. Difficulty: Moderate.
Prep Time20 mins
Cook Time25 mins
Total Time2 hrs 45 mins (incl. chill)
Servings16 servings
Scale Recipe:
📱Keep Screen Awake While Cooking
Ingredients
- Base: 1/2 cup butter, 1/4 cup sugar, 1 cup flour
- Caramel: 1 can (14 oz) sweetened condensed milk, 1/2 cup butter, 1/4 cup brown sugar, 2 tbsp corn syrup
- Topping: 6 oz semi-sweet chocolate & 1 tbsp butter, melted
Directions
1
Bake shortbread base
Press shortbread into 8x8 pan. Bake at 350°F for 18–20 mins until light golden. Cool.
2
Boil condensed milk caramel
Boil caramel ingredients in saucepan over medium-low heat, whisking constantly for 6–8 mins until thick and golden. Pour over shortbread.
3
Spread chocolate and chill
Melt chocolate and butter; spread over caramel. Chill 2 hours until set before slicing into squares.
💡 CHEF'S PRO TIPS
- Warm your chef's knife under hot running water and wipe dry between slices for clean, sharp bar edges.
Nutrition Facts
Per ServingCalories320 kcal
Protein3g
Carbs38g
Total Fat18g
Sodium: 140mg
Fiber: 1g
Sugar: 2g
Community Reviews & Ratings
2 cooks have shared their thoughts on this recipe
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Sarah M.★★★★★
This has completely replaced my normal avocado toast! The beans blend so well you cannot even tell, and I stay full until lunchtime!
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David K.★★★★★
Great trick for adding protein without cooking eggs on busy mornings. Added a pinch of red pepper flakes and lemon zest—delicious.
