Cook lima beans according to package instructions; drain and set aside.

In a large bowl, combine ground beef, salt, pepper, nutmeg, and egg. Form meat mixture into 1 1/2-inch balls.

Brown meat balls in a skillet in vegetable oil.

Add tomato paste to the lima beans, then stir in paprika and sour cream.

Add browned meat balls and stir gently.

Pour mixture into a greased casserole and bake at 350° for 25 minutes.