Hot or cold, for breakfast, lunch, or dinner, this spinach and cremini mushroom quiche is the answer for a light summer treat. Served with a side salad or fresh fruit, this “egg pie” makes a complete meal.

“π (sometimes written pi) is a mathematical constant that is the ratio of any Euclidean circle’s circumference to its diameter. π is approximately equal to 3.14. Many formula in mathematics, science, and engineering involve π, which makes it one of the most important mathematical constants. For instance, the area of a circle is equal to π times the square of the radius of the circle”. …