cinnamon-apple yogurt muffins

Ingredients For cinnamon-apple yogurt muffins

• 1 c

  granulated sugar
• 2 c

  all-purpose flour
• 2 tsp

  baking soda
• 1/2 tsp

  plus a pinch of salt
• 1/2 tsp

  ground cinnamon
• 1/2 tsp

  ground nutmeg
• 2 md

  apples, peeled, cored, quartered, then diced
• 1/3 c

  chopped, toasted walnuts
• 2 lg

  eggs
• 1 c

  greek yogurt
• 1/2 c

  unsalted butter, melted
• 1 1/2 Tbsp

  calvados (optional)
• FOR TOPPING
• 1/4 c

  brown sugar
• 1/4 tsp

  cinnamon