The useful part
How to prep it
- 1
Heat the oven to 375°F and line an 8-inch baking dish with parchment.
- 2
Whisk the eggs, milk, lemon zest and juice, maple syrup, vanilla, baking powder, and salt.
- 3
Stir in the oats and one cup blueberries. Spread into the dish and scatter the remaining berries on top.
- 4
Bake for 30 to 35 minutes until set. Cool, cut into eight squares, and pack two per serving.
Work with what you have
Easy substitutions
Use the closest swap that fits what you have and how you plan to pack it.
blueberries
raspberries or chopped strawberries
milk
unsweetened oat or soy milk
Make the next meal easier
Leftover plan
Leftover plan
Add a square to a yogurt bowl, or warm it with a spoonful of lemony yogurt.
Storage
Cool portions before sealing. Refrigerate what you will eat within 3 days and freeze the rest in dated containers.
Reheat
Reheat briefly in the microwave; thaw frozen squares in the refrigerator first.
Food safety guidance
For cooling, storing, and reheating details, use the USDA references below.