In a medium saucepan, combine 1 cup of brown sugar, 1/2 cup of butter, and 1/4 cup of milk over medium heat. Stir constantly to dissolve the sugar and melt the butter completely, which should take about 3-5 minutes. Watch for a smooth, shiny mixture without any sugar granules remaining.

Once the mixture is fully melted, increase the heat slightly and bring it to a gentle boil. Allow it to boil vigorously for exactly 1 minute; this step is crucial for achieving the perfect chewy texture in your Coconut Pecan Praline Cookies. After a minute, promptly remove the saucepan from heat, being careful to avoid scorching.

Quickly stir in 1 teaspoon of vanilla extract, 1 cup of shredded coconut, 1 cup of chopped pecans, and 2 cups of quick oats into the hot mixture. Combine them thoroughly until everything is evenly coated and the mixture appears thick and sticky. Ensure that no dry oats remain visible; this indicates it's ready for shaping.

Using a spoon, scoop out generous spoonfuls of the mixture and place them onto wax paper or parchment-lined baking sheets. Space each cookie about 2 inches apart to allow for slight spreading. The mixture will be warm and sticky but will hold its shape as it cools.

Allow the cookies to cool at room temperature for about 30 minutes, or until they are fully set. During this time, they will firm up, developing that delectable chewy texture characteristic of Coconut Pecan Praline Cookies. Avoid disturbing them before they are completely cooled to prevent them from falling apart.