Step 1: Preheat the Oven
Preheat your oven to 180°C (360°F).
Line a baking sheet with parchment paper or lightly grease it to prevent sticking.
Step 2: Mix Dry Ingredients
In a large mixing bowl, combine the oatmeal, cranberries, lemon zest, chopped walnuts, and chopped dates.
Stir well to ensure all the dry ingredients are evenly distributed.
Step 3: Prepare Wet Ingredients
In a separate bowl, beat the egg until slightly frothy.
Add the melted butter to the egg and whisk until fully combined.
Step 4: Combine Mixtures
Pour the wet ingredients into the dry ingredient mixture.
Stir until all ingredients are thoroughly combined, forming a thick and sticky batter.
Step 5: Form the Cookies
Scoop spoonfuls of the mixture onto the prepared baking sheet, leaving space between each cookie.
Flatten each cookie slightly with the back of a spoon to create even shapes for baking.
Step 6: Bake
Place the baking sheet in the preheated oven.
Bake for 30 minutes, or until the cookies are golden brown and set.