Prep your pan: Preheat oven to 400°F. Line a 12-cup muffin pan with paper liners. This takes 5 minutes and ensures your muffins won't stick.

Mix dry ingredients: In a medium bowl, whisk together 1½ cups quick-cooking rolled oats, 1⅓ cups all-purpose flour, 1 tablespoon baking powder, ½ teaspoon baking soda, and ½ teaspoon salt. Whisk for 1 minute until evenly combined. Checkpoint: You are ready to move on when no lumps of baking soda remain and the mixture is uniform in color.

Add pecans to dry mix: Stir ¾ cup of the chopped pecans into the dry mixture. Set aside with the remaining ½ cup pecans. This takes 1 minute.

Cream the butter mixture: In a large bowl, using an electric mixer on medium-high speed, beat ¾ cup packed dark brown sugar, 4 ounces softened cream cheese, and ½ cup softened unsalted butter together for 3 to 4 minutes until light, fluffy, and pale. The mixture should look almost whipped. Checkpoint: You are ready to move on when the mixture doubles in volume and resembles frosting.

Add eggs one at a time: Beat in 2 eggs, one at a time, mixing for 1 minute after each addition. Scrape down the bowl between eggs. The mixture should be smooth and well blended after each egg. Checkpoint: You are ready to move on when no yellow streaks remain and the batter looks creamy.

Add wet ingredients: Beat in ¾ cup buttermilk and 1½ teaspoons vanilla extract for 1 to 2 minutes until fully combined. The batter should look smooth. Checkpoint: You are ready to move on when the batter is uniform in color and no white streaks remain.

Combine wet and dry: Gently fold the dry mixture into the wet batter using a spatula or wooden spoon for 1 to 2 minutes, stirring until just combined. Do not overmix. The batter should look lumpy. Checkpoint: You are ready to move on when no dry flour patches are visible but the batter still looks slightly thick and chunky.

Fill muffin cups: Divide the batter equally among the 12 prepared muffin cups, filling each about two-thirds full. This takes 2 to 3 minutes. Use an ice cream scoop or measuring spoon for even portions.

Top with pecans: Sprinkle the remaining ½ cup chopped pecans evenly on top of each muffin. This takes 1 minute. Press gently so they stick to the batter.

Bake: Place in the preheated 400°F oven on the middle rack. Bake for 20 to 24 minutes until the tops are light golden brown and a toothpick inserted in the center comes out clean or with just a few moist crumbs. The muffins should spring back when lightly touched. Checkpoint: You are ready to move on when the tops are golden, not pale, and the toothpick test shows no wet batter.

Cool in pan: Remove the muffin pan from the oven and let it rest on a wire rack for exactly 5 minutes. The residual heat finishes cooking the bottoms.

Turn out and cool: Carefully turn the muffins out of the pan onto a wire rack. Cool for at least 15 to 20 minutes before eating. The muffins firm up as they cool and will be easier to handle. Serve warm or at room temperature.