Apple Oatmeal Cookies

1 and 1/2 cups all-purpose flour

1 and 3/4 cups quick oats

1 tsp. salt

1 tsp. baking powder

1/2 tsp. baking soda

1 and 1/2 tsp. cinnamon

1 tsp. freshly ground nutmeg

4 ounces unsalted butter, room temperature

1 cup light brown sugar

1/2 cup sugar

1 egg

3/4 cup unsweetened applesauce

1/2 tsp. vanilla bean paste or extract

1 tbsp. cinnamon whiskey (optional)

6 ounces (1 cup) semisweet or dark chocolate chips/chunks

6 ounces (1 cup) dried cranberries

4 ounces (1 cup) chopped walnuts

Sea salt for sprinkling, if desired