Oatmeal Chocolate Chip Skillet Cookie

Ingredients

• 1/2 cup butter (unsalted, room temperature (125 ml))
• 1/2 cup brown sugar (light, packed (125 ml))
• 1/4 cup sugar (granulated (60 ml))
• 1 egg
• 1 tsp vanilla extract ((5 ml))
• 3/4 cup flour ((185 ml))
• 1/2 tsp baking soda ((2.5 ml))
• 1/4 tsp salt ((1 ml))
• 1/2 tsp cinnamon ((2.5 ml))
• 1 1/2 cups rolled oats ((375 ml))
• 1/2 cup chocolate chips (semi-sweet (125 ml))