A cozy, chewy oatmeal cookie recipe that uses old-fashioned oats, brown sugar, and pantry staples. Includes tips, mix-ins, a healthy version, and freezing instructions, perfect for weeknights, gifts, or lunchbox treats.
Preheat oven to 350°F (175°C). Line a baking sheet with parchment paper.
In a large bowl, cream together butter, brown sugar, and granulated sugar until fluffy.
Beat in eggs and vanilla until well combined.
In another bowl, whisk flour, baking soda, salt, and cinnamon.
Slowly add dry ingredients to the wet mixture, stirring until just combined.
Fold in oats, then any optional mix-ins like raisins or chocolate.
Scoop dough onto baking sheet in 2 tbsp portions.
Bake 10–12 minutes until golden at the edges and soft in the center.
Let rest on the pan 5 minutes, then transfer to a rack.
Notes
Dough can be frozen for up to 3 months.Swap raisins for chocolate, coconut, or nuts for easy variations.Use flax egg and dairy-free butter for vegan version.Store in airtight container up to 5 days.