Somehow this has never occurred to me before, but you can use cottage cheese instead of yogurt in smoothies! Huge boost in protein without reverting to protein powder.
1/2 cup cottage cheese
1/2 cup blueberries
1 cup milk (raw)
spoonful of coconut oil (flaxseed oil works too)
big handful of spinach
1/2 banana (optional)
Blend it. And that's it. It's my new favorite lunch. And yes, the pictured smoothie was from today's lunch and it totally had a big handful of spinach in it. You just can't tell cause the purple blueberries really cover up any trace of green.