Summer Smoothie Challenge Guide

Five Protein-Packed Smoothies

A simple guide with ingredients, instructions, nutrition facts, and protein breakdowns for five refreshing smoothies.

Quick Reference: Protein Comparison

Smoothie Total Protein
Watermelon Smoothie ~25 g
Strawberry Protein Shake 32 to 39 g
Creamy Mango Smoothie 29 to 33 g
Power Cherry Smoothie 24 to 27 g
Best Green Smoothie Varies based on optional add-ins

1. Watermelon Smoothie

~25 g Protein

Estimated Protein: Collagen approximately 20 to 22 g, chia approximately 4 g, fruit approximately 1 g.

Ingredients

  • 2 cups watermelon, chopped
  • ½ cup cherries, frozen
  • ¼ cup strawberries, frozen
  • ½ lime, peeled
  • 2 tablespoons chia seeds
  • 1 serving collagen peptides

Ingredient Notes

Choose a heavy watermelon with a creamy yellow field spot for the sweetest flavor. Use bright red strawberries and deep red cherries. Fresh peeled lime adds brightness. Chia seeds and collagen peptides add protein, healthy fats, and fiber.

2. Best Green Smoothie

Protein Varies

Ingredients

  • 1 cup spinach
  • 1 cup water
  • ½ cup pineapple, frozen
  • ½ cup mango, frozen
  • 1 banana

Instructions

  1. Pack spinach into a measuring cup.
  2. Blend spinach and water until smooth.
  3. Add pineapple, mango, and banana.
  4. Blend until smooth and creamy.
  5. Pour and serve immediately.

Ingredient Notes

Baby spinach is mild and blends well. Frozen pineapple and mango are convenient for meal prep. Banana adds creaminess, and filtered water keeps the flavor clean.

Optional Add-Ins

  • Protein powder
  • Honey, maple syrup, banana, or dates
  • 2 tablespoons chia seeds
  • Collagen peptides
  • ¼ cup frozen cauliflower

Ingredient Swaps

Original Swap Option
Banana Quarter of an avocado
Mango Frozen pineapple, red apple, or peaches
Pineapple Navel orange
Water Oat milk, almond milk, coconut water, or orange juice
Spinach Kale, Swiss chard, beet greens, or other leafy greens

3. Strawberry Protein Shake

32 to 39 g Protein

Ingredients

  • 1 cup water
  • ½ cup plain Greek yogurt
  • ½ banana
  • 1 cup strawberries, frozen
  • ¼ cup cauliflower florets, frozen
  • ½ teaspoon vanilla bean powder
  • 1 serving whey protein isolate

Instructions

  1. Add water, Greek yogurt, banana, strawberries, and cauliflower to the blender.
  2. Blend on high until smooth.
  3. Add vanilla bean powder and protein powder.
  4. Blend on low to combine gently.
  5. Pour into a glass and enjoy.

Nutrition Per 16 oz Serving

321 calories, 31 g carbohydrates, 37 g protein, 7 g fat, 5 g fiber, 19 g sugar, 224 mg calcium, and 102 mg vitamin C.

Protein Breakdown

  • Whey isolate: 20 to 25 g
  • Greek yogurt: 10 to 12 g
  • Cauliflower and fruit: approximately 2 g
  • Total: 32 to 39 g

4. Creamy Mango Smoothie

29 to 33 g Protein

Ingredients

  • ½ orange, peeled
  • ½ cup plain Greek yogurt
  • 1 cup mango, frozen
  • ½ teaspoon ground turmeric
  • ½ cup unsweetened cashew milk
  • 1 serving collagen peptides

Instructions

  1. Blend all ingredients except the collagen until smooth.
  2. Add the collagen and blend on low until fully mixed in.
  3. Pour into a glass and enjoy.

Nutrition Per 16 oz Serving

277 calories, 37 g carbohydrates, 30 g protein, 2 g fat, 4 g fiber, 32 g sugar, 157 mg calcium, and 95 mg vitamin C.

Protein Breakdown

  • Collagen peptides: 18 to 20 g
  • Greek yogurt: 10 to 12 g
  • Mango, orange, and cashew milk: less than 1 g each
  • Turmeric: 0 g
  • Total: 29 to 33 g

5. Power Cherry Smoothie

24 to 27 g Protein

Ingredients

  • 1 cup tart cherry juice
  • 1 cup sweet cherries, frozen
  • ½ cup cauliflower, frozen
  • 2 tablespoons chia seeds
  • 1 serving collagen peptides

Instructions

  1. Blend all ingredients except the collagen until smooth.
  2. Add the collagen and blend on low until fully mixed in.
  3. Pour into a tall glass and enjoy.
  4. For a sweeter flavor, add half a banana.

Nutrition Per 16 oz Serving

414 calories, 66 g carbohydrates, 25 g protein, 8 g fat, 12 g fiber, 42 g sugar, 200 mg calcium, and 4 mg iron.

Protein Breakdown

  • Collagen peptides: 18 to 20 g
  • Chia seeds: approximately 4 g
  • Frozen cauliflower: approximately 1 to 2 g
  • Cherries and cherry juice: approximately 1 g combined
  • Total: 24 to 27 g

Simple Shopping Checklist

Use this as a quick shopping guide for the full five smoothie challenge.

Fresh Produce

  • Watermelon
  • Lime
  • Bananas
  • Orange
  • Spinach

Frozen Fruit and Veggies

  • Cherries
  • Strawberries
  • Pineapple
  • Mango
  • Cauliflower florets

Protein and Pantry

  • Collagen peptides
  • Whey protein isolate
  • Chia seeds
  • Vanilla bean powder
  • Ground turmeric

Refrigerated and Liquids

  • Plain Greek yogurt
  • Unsweetened cashew milk
  • Tart cherry juice
  • Filtered water

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