Marbled Banana Bars
15 min
1 hr 05 min


1 cup sugar

1/2 cup Land O Lakes® Margarine softened

3 to 4 (1 1/2 cups) ripe bananas, mashed

1 large Land O Lakes® Egg

1 teaspoon vanilla

1 1/2 cups all-purpose flour

1 teaspoon baking powder

1 teaspoon baking soda

1/2 teaspoon salt

1/4 cup unsweetened cocoa


Powdered sugar, if desired

How to make

  1. STEP 1

    Heat oven to 350°F. Grease 13x9-inch baking pan; set aside.

  2. STEP 2

    Combine sugar and margarine in bowl. Beat at medium speed, scraping bowl often, until creamy. Add bananas, egg and vanilla; continue beating, scraping bowl often, until well mixed. Add flour, baking powder, baking soda and salt; beat at low speed, scraping bowl often, until well mixed.

  3. STEP 3

    Drop 1 1/2 cups batter by spoonfuls into prepared pan. Add cocoa to remaining batter in bowl; beat at low speed until well mixed.

  4. STEP 4

    Drop spoonfuls of chocolate batter in pan over banana batter. Gently swirl chocolate batter through banana batter using knife. Bake 20-25 minutes or until toothpick inserted in center comes out clean. Cool completely.

  5. STEP 5

    Sprinkle with powdered sugar just before serving. Cut into bars.


3Fat (mg)
5Cholesterol (mg)
105Sodium (mg)
12Carbohydrates (g)
1Dietary Fiber
1Protein (g)


Explore reviews from
our online community

  October 05, 2015

This recipe was fairly easy and had great flavor. I used three bananas and it was packed with banana flavor. It was moist and I will make it again.

— says DALA G.
  September 19, 2013

Super simple, no-fail recipe that is fabulous!

— says Naomi
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