In a large bowl or stand mixer, cream butter and sugars on medium speed until light and fluffy. Scrape sides of bowl as needed and prior to each new addition. Add eggs, beat on medium speed until mixed well. Add dry ingredients: flour, oats, baking soda, salt, nutmeg and cinnamon. Start out by mixing on slow, gradually increase the speed to medium. Mix until all ingredients are well incorporated into the dough.
Add chopped dark chocolate pieces and dried cranberries. Stir by hand. Transfer to a medium bowl, cover with plastic wrap and chill for at least 3-4 hours or overnight.
Preheat oven to 350°F. Prepare baking sheets with silpats or parchment paper. Using a large cookie scoop, scoop heaping balls of chilled dough (approximately 1/4 cup worth of dough per cookie). Place roughly formed balls of dough onto prepared baking sheet. Press down with the palm of your hand to flatten to a thickness of about 1/2". Dough should be spaced at least 2" apart from each other prior to baking.
Bake for 16-20 minutes or until set in the middle and the edges are a nice golden color. Store in an airtight container.
Nutritional information is provided as a courtesy and is an estimate only. Nutrition information can vary for a variety of reasons. For the most accurate data, use your preferred nutrition calculator with the actual ingredients you used to make this recipe.
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