Lynn's Recipes - Pumpkin Cinnamon Streusel Coffee Cake

Ingredients

• 2/3 cups all purpose flour
• 1/2 cup light brown sugar, packed
• 1 teaspoon ground cinnamon
• 1/8 teaspoon salt
• 6 Tablespoons cold, unsalted butter, cut into small cubes
• 1-1/2 cups all purpose flour
• 2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 2 teaspoons ground cinnamon
• 1/2 teaspoon ground ginger
• 1/4 teaspoon ground nutmeg
• 1/8 teaspoon ground allspice
• 1/2 teaspoon salt
• 1/2 cup unsalted butter, room temperature
• 1 cup light brown sugar, packed
• 2 large eggs
• 1 teaspoon vanilla extract
• 1/2 cup pumpkin puree (not pumpkin pie filling)
• 1/2 cup plain Greek yogurt
• 1/2 cup powdered sugar
• 1/8 teaspoon ground cinnamon
• 2 teaspoons milk