How to Consume Flax Seeds In Smoothies: Add ground flax seeds to smoothies for a nutritional boost. As a Topping: Sprinkle flax seeds on yogurt, oatmeal, or salads for extra crunch and nutrients. In Baking: Use flax seeds in bread, muffins, and cookies for added health benefits. As an Egg Substitute: Mix 1 tablespoon of ground flax seeds