In a bowl or jar, mix 3 tablespoons chia seeds with 1 cup milk (dairy or unsweetened plant-based)
Add sweetener if desired (1–2 teaspoons honey, maple syrup, or sugar)
Add flavoring if desired (1/2 teaspoon vanilla extract, pinch of salt, cocoa powder, or cinnamon)
Stir vigorously for 30–60 seconds to prevent clumps
Let sit 5 minutes, then stir again
Refrigerate at least 2 hours, or overnight
Stir before serving to loosen and distribute evenly
Top with fruit, nuts, granola, or yogurt as desired