Coffee Butter Streusel Bars

Featured in: Sweet Whispers

These Coffee Butter Streusel Bars feature a soft, coffee-laced base topped with a rich, buttery crumb blend. Easy to prepare, the bars are baked until golden and finished with a sweet coffee glaze for an irresistible touch. Each bite balances moist texture, subtle coffee essence, and a crisp topping, making them perfect for pairing with morning coffee or serving as a unique treat after dinner. The bars come together quickly with pantry staples and yield a dozen squares, ready to share or enjoy anytime. Vegetarian-friendly and simple to adapt, these bars offer satisfying flavor and comfort in every slice.

Updated on Thu, 30 Oct 2025 12:25:00 GMT
Tender coffee butter streusel bars topped with a buttery crumb topping.  Save
Tender coffee butter streusel bars topped with a buttery crumb topping. | butterhollow.com

Tender coffee-infused bars with a buttery crumb topping and rich coffee flavor, perfect for breakfast or an afternoon treat.

I first made these Coffee Butter Streusel Bars when I wanted a sweet treat to pair with my afternoon cup of coffee. The aroma during baking filled my kitchen and instantly set a cozy mood.

Ingredients

  • All-purpose flour: Used in both streusel and bar base for tender texture
  • Light brown sugar: Provides sweetness and moisture for the crumb
  • Unsalted butter: Cold for streusel, softened for base, adds richness
  • Ground cinnamon: Adds warmth to the topping
  • Fine sea salt: Balances flavors in streusel and base
  • Baking powder: Helps bars rise
  • Granulated sugar: Sweetens the base
  • Large egg: Binds ingredients together
  • Pure vanilla extract: Gives depth and aroma
  • Strong brewed coffee: Infuses bars and glaze with coffee flavor
  • Powdered sugar: For optional glaze

Instructions

Prep Baking Pan:
Preheat oven to 350°F (175°C). Line 8x8-inch pan with parchment paper, leaving overhang for easy removal.
Make Streusel:
Combine flour, brown sugar, cinnamon, and salt. Add cold butter cubes and cut in until coarse crumbs form. Chill until needed.
Mix Base Ingredients:
Whisk flour, baking powder, and salt in a small bowl. Cream softened butter and granulated sugar until fluffy. Beat in egg, vanilla, and coffee.
Combine & Spread:
Gradually add dry mix to wet, mixing just until combined. Spread batter into pan evenly.
Add Streusel & Bake:
Sprinkle chilled streusel over batter. Bake 30 to 35 minutes until golden and a toothpick inserted comes out clean.
Cool & Finish:
Let bars cool completely. For glaze, mix powdered sugar and coffee until smooth and drizzle over bars. Lift bars with parchment and cut into 12 squares.
Richly flavored coffee bars perfect for breakfast or an afternoon delight.  Save
Richly flavored coffee bars perfect for breakfast or an afternoon delight. | butterhollow.com

When these bars come out of the oven, my family gathers in the kitchen, eager for that first sweet and crumbly square. They make our mornings and coffee breaks a little more special.

Required Tools

8x8-inch baking pan, mixing bowls, electric mixer or whisk, pastry cutter or fork, parchment paper, spatula, cooling rack

Allergen Information

Bars contain gluten from wheat, eggs, and dairy from butter. Check for nut or soy traces in each ingredient if sensitive.

Nutritional Information

Each serving contains 260 calories, 13 g fat, 33 g carbohydrates, and 3 g protein.

Decadent coffee butter streusel bars drizzled with sweet coffee glaze await you. Save
Decadent coffee butter streusel bars drizzled with sweet coffee glaze await you. | butterhollow.com

Enjoy these bars fresh for the best crumb texture or store airtight to savor with coffee the next day.

Kitchen Tips & Answers

How can I boost coffee flavor in the bars?

Try adding 1/2 tsp instant espresso powder to intensify the coffee notes in the base mixture.

Can I substitute brown sugar in the streusel?

Yes, swapping brown sugar with coconut sugar lends a deeper, caramel-like flavor to the crumb topping.

What is the best way to serve these bars?

Enjoy them with a dollop of whipped cream or alongside your favorite cup of coffee for enhanced richness.

Are these bars suitable for vegetarians?

Yes, all main ingredients are vegetarian-friendly. Always check labels for traces of animal byproducts.

What allergens are present?

The bars contain gluten (flour), dairy (butter), and eggs. Always read ingredient labels for nut or soy traces.

Can I make these bars in advance?

Yes, bake and store in an airtight container. The bars stay fresh for up to three days at room temperature.

Coffee Butter Streusel Bars

Tender coffee bars layered with buttery crumb streusel, ideal for morning or afternoon gatherings.

Prep duration
20 min
Heat duration
35 min
Complete duration
55 min
Created by Ella Thompson


Skill level Easy

Heritage American

Output 12 Portions

Eating preferences Meat-free

What you'll need

Streusel Topping

01 1 cup all-purpose flour
02 1/2 cup light brown sugar, packed
03 1/2 cup unsalted butter, cold and cubed
04 1/2 teaspoon ground cinnamon
05 1/4 teaspoon fine sea salt

Coffee Bar Base

01 1 cup all-purpose flour
02 1/2 teaspoon baking powder
03 1/4 teaspoon fine sea salt
04 1/2 cup unsalted butter, softened
05 1/2 cup granulated sugar
06 1 large egg
07 1 teaspoon pure vanilla extract
08 2 tablespoons strong brewed coffee, cooled

Glaze (optional)

01 1/2 cup powdered sugar
02 1 tablespoon strong brewed coffee

Method

Phase 01

Preheat Oven and Prepare Pan: Set oven to 350°F. Line an 8x8-inch baking pan with parchment paper, leaving overhang for easy removal.

Phase 02

Prepare Streusel: In a medium bowl, combine flour, brown sugar, cinnamon, and salt. Add cold butter cubes and work in with a pastry cutter or fingers until the mixture forms coarse crumbs. Refrigerate until needed.

Phase 03

Make Coffee Bar Base: In a small bowl, whisk flour, baking powder, and salt together. In a separate large bowl, cream the softened butter and granulated sugar until light and fluffy using an electric mixer. Add the egg, vanilla, and brewed coffee; blend until well incorporated.

Phase 04

Combine Wet and Dry Ingredients: Gradually add the whisked dry ingredients to the creamed mixture, mixing just until combined. Avoid over-mixing for tender bars.

Phase 05

Assemble Bars: Spread the bar base batter evenly into the prepared pan with a spatula.

Phase 06

Add Streusel: Sprinkle the chilled streusel evenly over the batter.

Phase 07

Bake: Bake for 30 to 35 minutes, or until the top is golden and a toothpick inserted into the center comes out clean.

Phase 08

Cool Bars: Allow bars to cool completely in the pan on a rack.

Phase 09

Prepare and Drizzle Glaze: Whisk powdered sugar and brewed coffee until smooth. Drizzle over the cooled bars if desired.

Phase 10

Cut and Serve: Lift bars from the pan using parchment overhang and cut into 12 squares for serving.

Kitchen tools needed

  • 8x8-inch baking pan
  • Mixing bowls
  • Electric mixer or whisk
  • Pastry cutter or fork
  • Parchment paper
  • Spatula
  • Cooling rack

Allergy details

Always review individual ingredients for potential allergens and seek professional medical guidance if uncertain.
  • Contains gluten, eggs, and dairy. Review all ingredient packaging for potential traces of nuts or soy if allergic.

Nutrient breakdown per portion

Numbers shown are estimates only - consult healthcare providers for specific advice.
  • Energy: 260
  • Fats: 13 g
  • Carbohydrates: 33 g
  • Proteins: 3 g