Peach Protein Smoothie

While the ingredients in this smoothie may seem a little odd, they are packed with lots of nutrients and protein to keep you full until lunchtime. 

1 cup kefir
1/3 cup cooked lentils
1 hard-boiled egg
1 ripe peach
2 tsp balsamic vinegar

Blend all ingredients until smooth. 

Yields 2 cups.