Skinny Shamrock Shake

Who needs the wasted calories and fat in a classic Shamrock Milkshake? Try making this easy, creamy, delicious SKINNY Shamrock Shake instead!

Skinny Shamrock Shake: made with frozen bananas, fat free milk, and mint! So easy and the perfect post workout treat!

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So I’m going to confess that once upon a time I used to be addicted to McDonald’s milkshakes. Particularly the Shamrock Shakes.

I would get so excited this time of year and I would seriously drop my son off at afternoon kindergarten, then take my daughter for a car ride knowing that she would fall asleep and I could enjoy a creamy milkshake in peace and quiet.

Don’t judge. I never claimed to be the perfect parent.

Through the years though, those McD’s shakes gave me stomach aches. So I’ve made them at home using thick, creamy ice cream.

This week I had one of those AHA moments. I’ve seen people take frozen bananas and whip them in the blender until it becomes creamy like ice cream. Why not try it with the Shamrock Shake?

It worked perfectly. I put my frozen bananas in the blender with the milk and mint extract. I let it blend for about 5 minutes, scraping down the sides several times.

Instead of adding in green food coloring, I wanted to keep this recipe wholesome. I added in spinach leaves. WAIT.. WAIT.. Don’t go. I only added in about 4 leaves to achieve the light green color. You can add more. You can add green food coloring. But I promise, 4 spinach leaves did NOT alter the taste at all!! The mint outshined everything!

I topped my Skinny Shamrock Shake with some fat free whipped cream. Okay, forget wholesome. It was out of a can, hehe! But c’mon, it’s not as bad as green food coloring right?

I also added a small sprinkle of mini chocolate chips. Don’t you DARE try to argue me out of that decision!!

So, to recap. I made a creamy, almost wholesome, completely SKINNY Shamrock Shake. I think you need this in your life. I enjoyed this after my workout.

PS. The taste is a little different than a McD’s shake, but knowing how low in fat this shake is, makes it worth every sip!

PSS. It’s also good with a scoop of vanilla protein powder. Boom.

Skinny Shamrock Shake: made with frozen bananas, fat free milk, and mint! So easy and the perfect post workout treat!

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Skinny Shamrock Shake

Yield: 2 servings

Prep Time:5 minutes


  • 3 1/2 large frozen bananas, peeled
  • 3/4 cup fat free milk
  • 3/4 tsp peppermint extract
  • 3-5 small spinach leaves, for coloring
  • 2 Tbsp fat free whipped cream
  • 1 Tbsp mini chocolate chips


  1. In a large blender, combine frozen bananas with milk and extract.
  2. Blend for about 5 minutes, scraping down the sides, until smooth. Add in spinach leaves and blend until desired color.
  3. Pour into two glasses and top with whipped cream and chocolate chips.
  • You can also use a food processor to blend the bananas too!
  • Substitute fresh mint leaves for the spinach for an even mintier treat!

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Skinny Shamrock Shake: made with frozen bananas, fat free milk, and mint! So easy and the perfect post workout treat!

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40 comments on “Skinny Shamrock Shake”

  1. Lin

    I wonder what would happen if you used fresh mint leaves instead of spinach leaves?

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  9. I’m in love. . .with this shake. I love that you can take frozen bananas and transform them into an ice cream-like treat. I cannot wait to try and fool my family with this trick. Brilliant!

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  11. Anonymous

    this has great texture, but I would recommend less peppermint extract. It tastes kind of like toothpaste but would be really good with about 1/4 of the peppermint.

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  14. Linda Berres

    Where is the sugar content? I am with WW and it calculates sugar also. Thanks!

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