Pesto Spinach Alfredo Sauce

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Who doesn’t love alfredo sauce?


I make mine lighter (and more convenient for me) by using milk instead of cream. It’s such an easy sauce to add different flavours to and experiment with — this is just one of many ways you could mix things up.

If you’re not digging spinach or pesto, feel free to leave them out and you’ll have a basic alfredo sauce recipe that you can leave as is or flavour any way you want.

This is an awesome recipe to use for pasta, scalloped potatoes, pizza, lasagna — anywhere (and everywhere) you’d like a little more creaminess in your life.


And if you’ve never tried pesto, now is the time! It gives such a nice herby flavour to anything you put it in: soups, pastas, sandwiches, there are no limits for this stuff.

*Note: This is a small recipe. It is super easy to double, or triple, or whatever. I made such a small batch because it’s always easier to make more than less. This recipe would be good for one very large pizza (which is where I used it the first time I made it — I’ll show you that recipe later this week). If you were making pasta for more than 2-3 people, I would suggest increasing the amounts.

{Healthier} Pesto Spinach Alfredo Sauce
Prep time
Cook time
Total time
A healthier take on alfredo sauce that gets a nutritional boost from spinach and a wonderful herby flavour from basil pesto.
Serves: 1½ - 2 cups sauce
  • ⅛ cup butter
  • ⅛ cup flour
  • 1 cup milk
  • ½ tsp salt
  • ½ tsp pesto
  • ¼ tsp minced garlic (about 1 clove)
  • 1 cube frozen spinach, thawed and squeezed dry (about ¼ cup) or a handful of fresh, chopped fine
  • ¼ cup parmesan
  1. In a medium saucepan, melt butter.
  2. Whisk in flour until smooth. Cook 1 minute.
  3. Stir in milk with whisk. Cook over medium heat for 5-10 minutes, whisking often, until thickened.
  4. Stir in salt, pesto, garlic, spinach and parmesan and cook 1-2 minutes until flavours have combined.
  5. Enjoy!


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  1. says

    Made this tonight for pizza. I don’t usually like alfredo – I find it boring, but adding my recipe for spinach-basil pesto really gives it some great flavor! Thanks for the idea – I’ll be making this again.

  2. says

    Wow, an almost healthy Alfredo sauce! Love it! Adding spinach sounds like a great addition to the sauce almost like a spinach dip and love the idea of using my fresh basil pesto. Thanks for the great idea and sharing on The Weekend re-Treat.

  3. says

    Yum! I love that you lightened it up a bit. I actually made Alfredo sauce recently and thought it needed something extra, it was just so plain. I am trying your version next!

    • Ashley says

      Thanks Annie! I had never made it with spinach before, but it’s a nice way to make it even better for you :)

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