The History of The Grandma Pie

With a crisp crust, simple toppings, and a whole lot of flavor, Grandma pie is the humble hero of New York-style pizza. Learn the story behind this square slice and why it deserves a spot at your table.

July 9, 2025
With a crisp crust, simple toppings, and a whole lot of flavor, Grandma pie is the humble hero of New York-style pizza. Learn the story behind this square slice and why it deserves a spot at your table.

In the world of pizza, some styles grab all the spotlight. Deep-dish pies, Neapolitan rounds, and New York slices get plenty of love. But there is one type of pizza that has quietly earned a loyal following, especially in the New York area: the Grandma pie. Baked in a rectangular pan and topped with a thin layer of sauce and cheese, it may look simple, but it is anything but ordinary.

At Red Moon Pizza, we love our classic Brooklyn-style pies, but Grandma-style pizza holds a special place in our lineup. It is the kind of pizza that delivers comfort, nostalgia, and a satisfying crunch with every bite.

Let’s explore the story behind Grandma pie, what makes it unique, and why it deserves a spot at your next pizza night.

Where Did Grandma Pie Come From?

Grandma pie began not in professional kitchens, but in home kitchens on Long Island. Italian-American grandmothers created this pizza using ingredients they already had. Rather than stretching dough for a traditional round pizza or using a stone oven, they pressed fresh dough into a rectangular pan, topped it with simple tomato sauce, a bit of cheese, and baked it in a standard kitchen oven.

This homemade approach resulted in a thinner, crispier pie with rustic edges and deep flavor. It was practical, fast, and incredibly tasty. For years, it stayed off restaurant menus and remained a home-cooked secret. Eventually, pizzerias started offering it to customers, and people immediately fell in love with its honest, straightforward charm.

How Is Grandma Pie Different from Sicilian Pizza?

Grandma pie and Sicilian pizza may look alike at first glance, since both are baked in rectangular pans. But they are very different in texture and preparation.

Grandma pies use dough that has not been left to rise for long. The result is a thin crust that is crisp on the bottom and tender inside. Sicilian pizza dough, by contrast, is left to rise for hours, sometimes overnight. This gives it a thick, pillowy texture similar to focaccia.

The toppings also vary. Grandma pies often have a layer of mozzarella cheese directly on the dough, with tomato sauce spooned on top. Sicilian pizzas usually feature the sauce underneath the cheese, and the whole pie is much thicker overall.

Simply put, Grandma pie is thinner, faster to make, and has more of a crunchy bite. It is like a weekday version of Sicilian pizza, ideal for casual dinners or quick meals.

What Makes a Great Grandma Pie?

At Red Moon, we believe that a great Grandma pie starts with respect for tradition and a focus on flavor. Here are the key elements that make this style stand out.

The Dough

Grandma dough is pressed into an olive-oil coated rectangular pan. Unlike other doughs that need to rise for a full day or more, Grandma dough rests only briefly. This gives it a thinner profile and a bottom that crisps up beautifully in the oven.

The Sauce

The sauce on a Grandma pie is typically simple, made from quality crushed tomatoes, garlic, olive oil, and herbs. It is usually spooned on top of the cheese before baking, giving each bite a burst of tomato flavor and a hint of sweetness and acidity.

The Cheese

Low-moisture mozzarella is most common, as it melts evenly and browns nicely during baking. Some recipes also include a sprinkle of Parmesan or Pecorino Romano for added flavor. Cheese is usually applied directly on the dough, before the sauce goes on.

The Shape

This pie is always baked in a rectangular or square pan. This gives it crisp edges and allows for easy cutting and sharing. It is also a nod to its home-cooked roots, when grandmothers used sheet pans instead of pizza stones.

The Bake

A Grandma pie bakes at a relatively high temperature, often between 450 and 500 degrees Fahrenheit. It does not take long in the oven, usually about 15 to 20 minutes, which makes it a great option for quick weeknight meals or gatherings.

Popular Toppings and Variations

While the classic Grandma pie keeps things simple with tomato sauce and cheese, there are plenty of variations that are just as delicious.

  • White Grandma Pie features no sauce, just a mix of mozzarella, ricotta, and garlic.
  • Pepperoni Grandma Pie includes thin pepperoni slices that get crispy on top.
  • Margherita-style Grandma Pie is topped with fresh tomato slices, basil, and fresh mozzarella.
  • Spicy Vodka Grandma Pie uses a creamy vodka sauce instead of tomato.

Feel free to get creative with toppings like sausage, spinach, mushrooms, onions, olives, or roasted red peppers. Because the crust is thin but sturdy, it can hold a variety of ingredients without getting soggy.

Why People Love Grandma Pie

There is something very comforting about a slice of Grandma pie. It is thin enough to enjoy two or three pieces without feeling too full, but still hearty and satisfying. The crisp edges, savory cheese, and fresh sauce create the kind of bite that keeps you coming back for more.

It is also perfect for sharing. Whether you are hosting a game night, a birthday party, or a casual dinner, a rectangular Grandma pie is easy to slice and pass around. You can serve it with salad, garlic knots, or even a simple pasta dish.

At Red Moon, our customers love it for its nostalgic feel and its amazing texture. It reminds people of home, of family gatherings, and of meals made with love.

Try Making It at Home

Want to try your hand at a homemade Grandma pie? Here is a basic approach:

  1. Oil a rectangular baking sheet with olive oil.
  2. Press pizza dough into the pan until it fills the surface.
  3. Top with a layer of shredded mozzarella cheese.
  4. Spoon tomato sauce over the top in thin lines or dollops.
  5. Add toppings as desired.
  6. Bake at 450 degrees Fahrenheit for 15 to 20 minutes, until the crust is golden and the cheese is bubbly.

It is a great project for a weekend, and a fun way to involve kids or guests in the cooking process.

Conclusion: A Slice of Tradition

The Grandma pie is more than just a style of pizza. It is a slice of tradition, a symbol of home cooking, and a reminder that some of the best meals come from the simplest ingredients.

Whether you are grabbing a slice at Red Moon or baking one in your own kitchen, this square pie delivers crispy edges, bold flavor, and old-school charm in every bite.

Next time you’re craving something classic with a twist, try a Grandma pie. It might just become your new favorite.

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