1-First, cream the 1 cup of room temperature butter and 1 and a half cups of brown sugar until the mixture is pale and fluffy this step helps create that soft texture.

2-Next, add the 2 eggs one at a time, mixing well after each to blend everything smoothly, then stir in the 1 teaspoon of vanilla for a hint of extra flavor.

3-In a separate bowl, sift together the 1 cup of flour, half a teaspoon of baking powder, half a teaspoon of baking soda, 1 teaspoon of cinnamon, and 1 teaspoon of salt, then add these dry ingredients to the wet mixture along with the 3 cups of rolled oats, combining on low speed until just mixed remember to avoid over-mixing to keep the cookies tender.

4-Once your dough is ready, scoop it onto parchment-lined baking sheets, spacing the portions apart to allow for spreading.

5-Chill the dough for 15 minutes to help control the spread and improve the texture, as chilling really makes a difference in how these cinnamon oatmeal cookies hold their shape.

6-Preheat your oven to 180°C (350°F), then bake the cookies for 7 to 10 minutes until the edges turn golden brown.

7-Let them cool on a wire rack before serving to set their structure and enhance the flavor.