Apple Crumble Breakfast Skillet - Cooking Restored

Ingredients

• 1 apple, I prefer Honeycrisp
• 1 tbsp unsalted butter
• 1/2 tsp cinnamon
• 1 1/2 tsp dark brown sugar
• 1/2 tsp sugar
• 1/2 tsp flour
• 1/4 cup oats