Mix together the yogurt and the maple syrup. (If you happen to be using a 6-ounce, single-serve yogurt cup, you can do the mixing right in the yogurt cup.)
To a tall glass or 12-ounce Mason jar, add 1/4 cup of the yogurt. Add 2 slightly rounded tablespoons of the fruit, and then top with 2 slightly rounded tablespoons of granola.
Repeat this layer. Then add the final 1/4 cup of yogurt, followed by a rounded tablespoon each of the fruit and granola. If using a 12-ounce glass or jar, this will fill it almost exactly.
If desired, top with a sprinkle of nuts or other optional toppings. Cover with plastic wrap or a lid, and refrigerator for up to three days.