Annual observance

Deep Dish Pizza Day

April 5 Food / Dessert Updated 2025-12-17

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Overview

Deep Dish Pizza Day, observed annually on April 5th, is a celebration of the iconic Chicago-style deep-dish pizza. This unique culinary creation is characterized by its tall, pie-like crust that forms a deep basin, filled with generous layers of cheese (often mozzarella on the bottom), various toppings, and finished with a rich, chunky tomato sauce on top. The day encourages enthusiasts to indulge in and appreciate this hearty and distinctive pizza, which requires a longer baking time due to its substantial thickness.

Observed each year on April 5, Deep Dish Pizza Day invites people to pause, share the story, and bring a little themed joy to their day.

Why it matters: Deep Dish Pizza Day on April 5 celebrates the rich culinary heritage of Chicago-style deep-dish pizza, a dish that revolutionized pizza with its unique, thick crust and layered toppings. This holiday invites food lovers to savor a hearty meal that reflects the creativity and indulgence of American cuisine.

Origin and story

Pizzeria Uno in Chicago is widely credited with inventing the deep-dish pizza in 1943.

Unlike traditional pizzas, deep-dish is typically assembled with cheese directly on the crust, followed by toppings, and finally the tomato sauce, which helps prevent the cheese from burning during its long bake.

Quick facts

  • DateApril 5
  • TypeFood / Dessert
  • Great forFoodies, Chocolate lovers, Home bakers

Also on this date

Ways to celebrate

  • Deep Dish Pizza Day lands on April 5 — host a quick nod with Foodies, Chocolate lovers and snap a photo.
  • Write a note or journal entry on why Deep Dish Pizza Day matters, then set a reminder for next year.
  • Bring Deep Dish Pizza Day to work or school with a short shout-out in a meeting or group chat.
  • Try a playful twist: cover non-traditional foods in chocolate or sauces inspired by Deep Dish Pizza Day.
  • Host a tasting plate with sweet and savory pairings.

Fun facts

  • Pizzeria Uno in Chicago is widely credited with inventing the deep-dish pizza in 1943.
  • Unlike traditional pizzas, deep-dish is typically assembled with cheese directly on the crust, followed by toppings, and finally the tomato sauce, which helps prevent the cheese from burning during its long bake.
  • Its thick crust and generous fillings mean a single slice of deep-dish pizza can often be as filling as several slices of thinner-crust varieties.

Sources and attribution

Source not provided.


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FAQ

When is Deep Dish Pizza Day?
It is observed on April 5 each year.
What is Deep Dish Pizza Day?
Deep Dish Pizza Day, observed annually on April 5th, is a celebration of the iconic Chicago-style deep-dish pizza. This unique culinary creation is characterized by its tall, pie-like crust that forms a deep basin, filled with generous layers of cheese (often mozzarella on the bottom), various toppings, and finished with a rich, chunky tomato sauce on top. The day encourages enthusiasts to indulge in and appreciate this hearty and distinctive pizza, which requires a longer baking time due to its substantial thickness.
How do people celebrate Deep Dish Pizza Day?
Deep Dish Pizza Day lands on April 5 — host a quick nod with Foodies, Chocolate lovers and snap a photo.

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