Apple Fritter Waffle Donuts

1 medium apple (Granny Smith or Honeycrisp), peeled and diced small 🍏

1 tbsp butter 🧈

1 tbsp brown sugar 🍬

1/2 tsp ground cinnamon 🌰

Waffle Donuts:

1 cup all-purpose flour 🌾

1/4 cup granulated sugar 🍚

1 tsp baking powder 🧁

1/2 tsp baking soda ⚗️

1/2 tsp ground cinnamon 🌰

Pinch of salt 🧂

1/2 cup buttermilk 🥛

1 large egg 🥚

2 tbsp melted butter 🧈

1 tsp vanilla extract 🌿

Glaze:

1 cup powdered sugar 🍥

2–3 tbsp milk 🥛

1/2 tsp vanilla extract 🌿

Instructions
1️⃣ Prepare the Apple Filling