- 1 to 2 quarts milk
- 2 to 3 tablespoons plain yogurt
Using the Sun
- Pour 1 quart warmed milk into a glass-lidded bowl or casserole dish.
- Add 3 tablespoons plain yogurt and cover with the glass lid or a clear glass pie pan.
- Place in the sun on a warm (not too hot) summer day and let sit 4 to 5 hours. Watch it to make sure it is not shaded as the sun moves.