Caramel Filled Oat Bars with Chocolate and Walnuts

Prep: 15 minCook: 35 min16 barsmediumAmerican
Caramel Filled Oat Bars with Chocolate and Walnuts

Rich oat bars layered with gooey caramel filling, dark chocolate chips, and toasted walnuts. The buttery oat base provides a tender crumb that complements the sweet caramel center, while coconut adds subtle tropical notes. Perfect for potlucks, bake sales, or afternoon treats when you want something more indulgent than cookies but easier than cake. These bars slice cleanly when completely cooled and offer satisfying textures in every bite.

Ingredients

Yield: 16 bars
  • ¾ cup flour, stir and aerate before scooping or weigh
  • ½ teaspoon kosher salt
  • ½ teaspoon baking soda
  • 3 tablespoons light brown sugar, packed
  • 3 tablespoons granulated sugar
  • ¾ cup old fashioned oats, plus a tablespoon
  • cup angel flake coconut, very lightly packed
  • 6 tablespoons unsalted butter, melted
  • ½ teaspoon vanilla extract
  • 1 cup Kraft caramel bits
    homemade caramel sauce3/4 cupfrom scratch

    richer flavor but more work

  • 2 tablespoons heavy cream
    whole milk1:1lower fat

    slightly thinner caramel texture

    Full guide →
  • ½ cup walnuts, chopped and toasted
    pecans1:1nut-free

    similar crunch and richness

    Full guide →
  • ½ cup dark chocolate chips
    semi-sweet chocolate chips1:1preference

    milder chocolate flavor

    Full guide →

Instructions

  1. 1

    Preheat oven to 350 degrees F and line 8 inch square metal pan with nonstick foil or regular foil sprayed with cooking spray

  2. 2

    Combine flour, baking soda, salt, and both sugars in mixing bowl, stirring well

  3. 3

    Stir in oats and coconut until evenly distributed

  4. 4

    Mix melted butter and vanilla, then pour into flour mixture and stir until blended and crumbly

  5. 5

    Measure out about 1 cup of oat mixture and set aside, press remaining mixture tightly into prepared pan

  6. 6

    Combine caramel bits and cream in microwave-safe bowl, microwave on high for 30 seconds

  7. 7

    Stir and continue microwaving on high, stirring every 10 seconds, until completely melted

  8. 8

    Spread melted caramel over oat crust

  9. 9

    Sprinkle nuts and chocolate chips over caramel layer, then top with reserved oat mixture

  10. 10

    Bake on center rack for 30 to 35 minutes, covering loosely with foil during last 10 minutes to prevent over-browning

  11. 11

    Cool completely before lifting from pan and cutting into squares

Tips

Tip 1

Toast walnuts in a dry skillet over medium heat for 3-4 minutes until fragrant for better flavor

Tip 2

Press the bottom oat layer very firmly to prevent crumbling when cutting

Tip 3

Cool completely before cutting to ensure clean slices and proper caramel set

Good to Know

Storage

Store covered at room temperature for up to 5 days or refrigerate for up to 1 week

Make Ahead

Can be made 2 days ahead, store covered at room temperature

Serve With

Serve at room temperature for best texture and flavor

Common Mistakes

Watch

Press bottom layer firmly to avoid crumbly bars that fall apart

Watch

Cool completely before cutting to prevent caramel from oozing out

Watch

Cover with foil during final baking to avoid over-browning the top

Substitutions

Nut-Free Alternatives

walnuts
pecans1:1nut-free

similar crunch and richness

Full guide →

General Alternatives

dark chocolate chips
semi-sweet chocolate chips1:1preference

milder chocolate flavor

Full guide →
heavy cream
whole milk1:1lower fat

slightly thinner caramel texture

Full guide →
Kraft caramel bits
homemade caramel sauce3/4 cupfrom scratch

richer flavor but more work

Find more substitutions →

FAQ

Can I use quick oats instead of old-fashioned?

Old-fashioned oats provide better texture and structure. Quick oats will work but may result in a softer, less defined texture.

How do I know when the caramel is properly melted?

The caramel should be completely smooth with no lumps remaining. Stir frequently to prevent overheating which can cause burning.

Can I freeze these bars?

Yes, freeze cut bars wrapped individually for up to 3 months. Thaw at room temperature before serving.