Brown butter and allow to solidify in fridge before making cookies.
Preheat oven to 375*F
Place solid brown butter in a mixer with sugars and mix on high for 3-5 minutes or until pale and creamy.
Add eggs one at a time, mixing well after each addition and scraping down the mixing bowl.
Add in honey and continue to mix at medium speed for a minute. Scrape down sides of bowl before adding dry ingredients.
Sift flour, baking powder, baking soda, salt, and chai spices on top of wet ingredients. Mix only to combine.
Mix in oatmeal and chopped walnuts on low until they are just incorporated.
Using a 4 ounce cookie scoop, take a scoop full of dough. Make a well in the center with your thumb or spoon and ladle in a teaspoon of pear preserves in the center.
Pinch the dough closed sealing in the pear preserves and release the dough onto a parchment lined baking sheet.
Repeat with remaining dough until all are filled.
Bake for 12-14 minutes. Tops should be set and light golden brown.
Allow cookies to cool for at least 20 minutes before dipping in glaze.