Sour Cream Streusel Coffee Cake Recipe - This Mom Can Cook

Ingredients

• 8 oz butter (room temp)
• 4 oz sugar
• 4 oz brown sugar
• 5 oz eggs (room temp)
• 1 tsp Vanilla extract
• 10 1/2 oz Pastry flour
• 1 tsp baking soda
• 1 tsp baking powder
• 7 oz sour cream
• 2 oz all purpose flour
• 1/2 tsp cinnamon
• 6 oz all purpose flour
• 5 oz brown sugar
• 1/8 tsp salt
• 5 oz butter (firm)