Blueberry-peach crisp

Ingredients

For the streusel:

• 8 T butter (1 stick)
• 3/4 c all-purpose flour
• 1/2 c brown sugar
• 1/2 t cinnamon
• 1/2 t nutmeg
• 1/4 t salt

For the filling:

• 2-1/2 c blueberries
• 4 fresh peaches, pitted, peeled and chopped
• 1/3 c sugar
• 1 t vanilla extract
• 1 T flour