Follow these steps to make the perfect smoothie that not only tastes great but is packed with the right nutrition too.

By Marietta Alessi
Updated November 13, 2019
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Feel like you're constantly short on time and nutrients? Smoothies can be a great way to make a quick meal or snack that’s packed with good-for-you ingredients...but only if you're choosing the right ingredients and ratios for a healthy drink that actually tastes good.

Poor smoothie planning could lead to something that tastes like watery kale, or, conversely, a milkshake. The former might have you tossing your personal blender in the back of the cabinet to collect dust, and the latter will easily wreck your diet if you continue to down these drinks thinking they're "healthy".

So, what's the right way to make a smoothie? Follow these five simple steps to build a better smoothie from Harley Pasternak, SHAPE Brain Trust advisory board member, nutrition specialist and celebrity trainer.

Pasternak’s New York Time's best-selling cookbook, "The Body Reset Diet", features smoothies loved by celebs such as Halle Berry, Kim Kardashian, and Jessica Simpson. (Psst: Pasternak even helped Simpson lose 100lbs after her last pregnancy.)

Below, the unofficial smoothie king (no, really he used to have a healthy line at Jamba Juice— read how one editor revamped her body in two weeks drinking the Harley-approved, store-bought smoothies)  shares his top smoothie-making tips to make your drinkable meal satisfying and nutritious.

1. Include the "Holy Trinity of Satiety" (protein, fiber, and healthy fats).

You know all about macros by now: protein, carbs, and fat—the macronutrients your body needs to survive, but Pasternak has a different set of nutrients he likes to focus on when building a smoothie.

"Every smoothie should have what I call the 'holy trinity of satiety'—protein, fiber, and healthy fat," says Pasternak. Plus, you can extend this method to all your meals to make meal prep even easier. “The same applies to salads, sandwiches, scrambles, stir-fries, and every meal you eat.”

When it comes to protein, you have some options: Experiment with protein powder (see: The Best Protein Powder for Women, According to Nutritionists), cottage cheese, or "strained yogurts" aka Greek or Icelandic. "Strained yogurts are fermented longer and have significantly more protein and less sugar than traditional yogurts."  If you can't seem to get passed the powdery texture vibes, silken tofu is a good option that will make your smoothie thick without adding an overpowering flavor. Next, for fiber, add plenty of fibrous fruits such as berries and fruits you can eat with the skin on (think: apples and grapes) tend to have more fiber and less sugar than tropical fruits with a tougher outside layer that you peel away (think: pineapples, mango, bananas). Don't forget about veggies for fiber and micronutrients, too. "Vegetables like cucumber, zucchini, and spinach, don't have powerful flavor profiles and can be blended into a smoothie without significantly changing the flavor profile," says Pasternak. Lastly, add a sprinkle of seeds, nuts, or avocado for a healthy dose of unsaturated fats, which are preferred fats for good heart health.

2. Choose your liquids wisely.

While non-dairy milk alternatives like rice, oat, and macadamia milk are taking up more and more real estate on grocery store shelves, Pasternak says he prefers good ol’ cow’s milk in his smoothies (and on its own, for the record). Why? "Real dairy milk has two incredibly high-quality proteins—casein and whey—and is a rich source of calcium and vitamin D," he says.

If you have a dairy allergy, just make sure you're milk alternative has a good amount of protein, such as Planet Oat Milk, SoyMilk, or Lactaid, and contains calcium and vitamin D. Many non-dairy milks are fortified with these nutrients.

3. Skip the added sugar and “kitchen sink" supplements.

“Be wary of adding hidden additional sugars and what I call ‘kitchen sink supplements’—outdated or non-scientifically supported supplements." If you're choosing the right ingredients, your smoothie is plenty potent with the whole, natural foods you put in. Plus, the fruit adds enough natural sugars there’s no need for honey or agave, which can turn any well-intentioned healthy smoothie into a dessert with one pulse button tap. If your smoothie isn't sweet enough for your tastes, add some more fiber-packed fruit. (Related: Are Dietary Supplements Really Safe?)

4. Stack your blender strategically.

If you’ve ever had to eat your smoothie with a spoon, chances are you’ve learned the hard way that proportions and placement of the ingredients in the blender are key. Pasternak’s golden rule, “always start with liquids, then move up to thicker ingredients, such as yogurt, then solids, and finally protein powder (if you're adding).” Putting larger, harder ingredients like frozen fruit or ice at the bottom near the blades can make it more difficult for your blender to quickly blend your smoothie completely.

5.  Get a blender that does more than blend.

"The most common mistake people make is using a blender with no power," says Pasternak. "The majority of household blenders can't get frozen fruits smooth, or chop through seeds, so you get a smoothie that's not very smooth." He's so passionate about quality blenders he even made his own: The Salton Harley Pasternak Power Blender (Buy It, $159, Pasternak says he wanted to offer a more affordable alternative to the expensive powerhouse blenders (think: Vitamix) on the market that still performs just as well.

No kitchen space? No problem. The compact NutriBullet High-Speed Blender/Mixer System (Buy It, $50, has nearly 10,000 customer reviews, with more than 6,000 of them with 5-star ratings. It might be small, but it's mighty, customers say. "It's only 600 watts, but it's very powerful," wrote one reviewer. "Twice a day, I blend fresh kale/spinach, frozen banana, frozen strawberries, frozen apples, frozen blueberries, and frozen raspberries."

And don't avoid the frozen aisle when it comes to smoothies. Pasternak actually recommends using frozen fruit versus fresh in your smoothie. Yep, since frozen fruit is picked and sealed at its nutritional peak, it contains more vitamins and antioxidants than its "fresh" counterparts, according to research from the University of Chester in England. "I like frozen fruit for smoothies for a few reasons—it's more economical because you can buy in bulk without worrying about it rotting; you can buy out-of-season ingredients; and it provides a delicious, refreshing icy texture to the smoothie," he says. Basically, all your efforts to craft the perfect smoothie based on all of the above help could be useless without the proper tool to blend it all together. So, invest in a blender that can cut it—literally.

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