Orange Streusel Muffins

I made this one up. Kind of tastes like my orange scones, but it's a muffin!
Feel free to change it up with any fruit.

Orange Streusel Muffins

muffin-
2 c flour
1 1/2 t baking powder
1/2 t salt
1/2 c butter, softened
3/4 c sugar
2 eggs
2 t vanilla
1/4 c milk
1/4 c juice from orange
zest from orange

streusel-
1/4 c sugar
2/3 c flour
1/4 c butter, softened
zest of one orange

Beat butter and sugar until light and fluffy.
Add eggs.
Combine muffin dry ingredients.
Combine milk, OJ, zest, and vanilla.
Alternate adding dry and wet ingredients into butter/sugar mixture.
Divide into 12 lined muffin cups.
Combine streusel ingredients and sprinkle on top of muffins.
Bake at 350 degrees for 20 min.