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Drinks · Part 2 of 3: Instructions

Blue Spirulina Pineapple Coconut Smoothie with Whipped Cream Topping Step-by-step instructions

Cook blending pineapple, banana, coconut and ice with blue spirulina in a glass blender jar
Prep
Cook
Total
Serves
2

Before you start

Gather all ingredients and equipment before you start, so the blender is ready the moment the fruit is cut. Chill the glasses in the freezer for ten minutes if you want a colder finish. Peel and cube the pineapple, slice the banana, and cut the fresh coconut into small cubes, keeping each portion separate on the board. Chill the block of white cheese or white chocolate for ten minutes so it grates into fine shavings without smearing.

Measure the ice, the spirulina powder and the shredded coconut into small bowls. Chill the heavy cream and the mixing bowl so the cream whips quickly and holds its shape on top of the smoothie. Set out the piping bag with a star tip. Having each element ready keeps the smoothie cold and the blending step quick and clean.

Ingredients at a glance (8)
  • 1 cup fresh pineapple, peeled and cut into chunks
  • 1 ripe banana, sliced into rounds
  • 1/2 cup fresh coconut meat, cut into small cubes
  • 2 oz white cheese or white chocolate, grated, shavings set aside
  • 1 cup ice cubes
  • 1/2 tsp blue spirulina powder
  • 1/2 cup heavy cream, whipped to soft peaks
  • 2 tbsp shredded coconut, for topping

Instructions

Prepare fruit and grate white

  1. Prepare the fruit and coconut
    Peel the fresh pineapple and cut it into chunks with a chef's knife. Slice the ripe banana into rounds. Cut the fresh coconut meat into small cubes. Set the fruit and coconut aside on the board.
    Look for Pineapple is golden and sweet-smelling, banana slices are soft and evenly cut.
    Tip Chill the pineapple beforehand for a colder, thicker smoothie.
  2. Grate the white ingredient
    Grate the white cheese or white chocolate on the large holes of a box grater. Collect the fine shavings in a small bowl and set them aside for the garnish, keeping the rest for the blender.
    Look for Fine, feathery shavings fall from the grater with little resistance.
    Tip Chill the block for ten minutes so it grates cleanly without smearing.

At the end of this phase the pineapple is in neat chunks, the banana rounds are even and the coconut is cut into small cubes. The grated white ingredient should look like fine, feathery shavings with no clumps. Set the shavings aside for the garnish and keep the rest with the fruit. Check that the cutting board is clear and the blender jar is clean and dry before you move on, so nothing slips or waters down the mixture early.

Blend until smooth and turquoise

  1. Load the blender jar
    Place the pineapple, banana, coconut and grated white ingredient in the glass blender jar. Add the ice cubes and the blue spirulina powder. Seal the jar with its lid.
    Look for Ingredients sit in the jar with ice on top and the powder evenly sprinkled.
    Tip Add the spirulina last so it does not puff up and cling to the lid.
  2. Blend until turquoise and smooth
    Blend on high speed until the mixture turns a vivid turquoise and looks smooth and creamy. Stop as soon as no ice chunks remain, scraping down the sides if needed.
    Look for Colour is an even vivid turquoise and the texture looks velvety with no ice visible.
    Tip Pulse first to break up the ice, then blend on high for a smoother result.

At the end of this phase the mixture is a vivid, even turquoise with a thick, velvety texture and no ice visible. Stop the blender, lift the lid and look at the surface: it should move slowly and show no streaks of white or green.

If you see ice chunks, pulse once more and scrape the sides. Pour a small taste to check that the sweetness and texture are balanced. Once the colour is uniform and the consistency is smooth, pour the smoothie into the glass without delay.

Pipe cream and finish the glass

  1. Pour and pipe the cream
    Pour the smoothie into a tall textured glass. Whip the heavy cream until soft peaks form, spoon it into a piping bag with a star tip, and pipe a generous swirl on top.
    Look for Cream holds soft peaks and piped ridges keep their shape on the smoothie.
    Tip Chill the bowl and whisk before whipping for faster, firmer peaks.
  2. Garnish and serve
    Finish the cream swirl with a light dusting of shredded coconut. Scatter the reserved grated white shavings around the rim of the glass. Serve the smoothie immediately while it is cold and thick.
    Look for The cream is topped with coconut and shavings frame the rim of the glass.
    Tip Serve with a wide straw, and stir gently before drinking to mix the cream in.

At the end of this phase the whipped cream holds soft peaks, the swirl sits neatly on top of the cold smoothie and the shredded coconut and grated shavings frame the rim. The glass should look bright and layered, with the white cream standing out against the turquoise. Check that the cream has not softened or spread, and that the garnish is evenly placed. Serve straight away, while the smoothie is cold and the cream still holds its shape.

Common mistakes

The most common mistake is adding too much liquid, which thins the smoothie and dulls the colour. Keep the ice and fruit in the proportions given, and resist the urge to add water. Another frequent error is blending the spirulina for too short a time, which leaves streaks of blue and green instead of an even turquoise.

Blend until the whole jar looks uniform. Overwhipping the cream is a problem too: once it turns grainy or buttery, it will not pipe cleanly, so stop as soon as soft peaks form. Finally, letting the smoothie sit for a long time melts the ice and blurs the layers, so pour and serve promptly for the best texture and appearance.

How to tell it’s done

The smoothie is ready when the colour is an even, vivid turquoise and the texture is smooth and creamy with no ice chunks visible. Lift the blender lid and check the surface: it should look glossy and move in a slow, thick ribbon when you stir it.

For the cream, the right stage is soft peaks, where the whisk leaves a curl that folds over on itself and the cream still looks glossy and tender. The garnish is ready when the shredded coconut and shavings sit neatly on the cream and rim. This drink contains no raw protein, so no internal temperature applies; judge it by colour, smoothness and the firm, cool texture of the cream.

Coming up in Part 3: common questions

  • Why does the smoothie turn blue, and is the colour even?
  • Can the smoothie be made without a blender jar with a strong motor?
  • Can this recipe be made dairy-free?
  • How do you keep the whipped cream from deflating on top?
  • How long does the blended smoothie keep?

Also in Part 3: variations (Extra Creamy Version, Less Sweet Version, Chocolate Garnish, Make-Ahead Batch), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

4 variations · storage & make-ahead · 5 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)