Measure and prepare ingredients — exactly measure 3 tbsp chia and 1 cup almond milk. Exact ratios matter: too little liquid yields a very thick, almost paste-like pudding; too much leaves it soupy. Having your fruit prepped (dice mango, halve berries if large) speeds assembly and keeps the fruit texturally fresh for serving.

Combine almond milk, maple syrup, vanilla, salt and cinnamon in a bowl or jar. Whisk or shake vigorously for 20–30 seconds. Whisking (or shaking in a jar) dissolves the sweetener, distributes the vanilla and salt evenly, and incorporates air so the chia seeds don't immediately clump when added.

Stir in the chia seeds: sprinkle the 3 tbsp of chia into the liquid while whisking. Sprinkling while whisking prevents the seeds from sinking en masse and forming lumps; the rapid movement separates the seeds so each one hydrates independently and yields a uniform gel.

Let the mixture sit 5–10 minutes, then whisk again. Chia seeds hydrate quickly on the surface and can trap dry seeds below; letting the mixture rest and whisking again breaks up early clumps and ensures even hydration for a smoother final texture.

Cover the bowl or seal the jar and refrigerate 6–8 hours (or overnight). The refrigeration allows chia to absorb the liquid and form a creamy gel through gelatinization of the mucilage in the seeds — this is what gives the pudding its thick, spoonable texture. A minimum of 4 hours will set it, but overnight gives the best creaminess.

Prep the fruit and pistachios while the pudding chills. For a restaurant-style finish, reserve a few pretty berry halves and a few whole pistachio pieces for garnish. If you like a brighter profile, gently toss the mango and berries with a scant squeeze of lemon juice and 1/4 tsp lemon zest — the acid sharpens sweetness and balances the pudding.

Before serving, give the pudding a good stir to loosen it. If it’s too firm, stir in 1–2 tablespoons additional almond milk to adjust the consistency. Building the parfait-like layers (pudding, fruit, pudding, fruit) creates a pleasing contrast in color and texture that elevates the home-prepared dish to restaurant quality.

To assemble: spoon half the pudding into a serving glass or bowl, add half the fruit, top with remaining pudding, then the reserved fruit and chopped pistachios. Finish with a tiny pinch of flaky sea salt to amplify the flavors and a dusting of cinnamon or extra lemon zest if desired. The final garnish provides visual appeal and a textural contrast—crunch to the soft pudding and juicy fruit.

Serve chilled. Because chia pudding is served cold, it’s especially refreshing in warm weather and keeps its structure for several hours in the fridge, making it excellent for make-ahead breakfasts or portable breakfasts in jars.