Bring apple cider to a boil then reduce heat to medium and simmer until it has reduced to about 1/2 c. Let cool.
Mix dry ingredients in a large bowl. Set aside.
Mix wet ingredients together in a bowl. Add cider to wet ingredients.
Pour wet ingredients into dry and stir until thoroughly mixed.
Line a muffin pan with 12 liners or spray with non stick cooking spray.
Fill muffin tin with batter.
Heat oven to 400 degrees. While oven heats, make the streusel topping.
Cut ingredients for streusel together using a pastry cutter or fork. Should resemble crumbs. Sprinkle over each muffin cup. About 1 T. per muffin.
Bake for 15 minutes or until golden brown and toothpick inserted comes out clean.