The shop started in 1915 and is now ready to expand across the US.

The original shop was a small green shack in Elizabeth, New Jersey. People who knew about it loved it.

Now, DiCosmo's is a community favorite in Metuchen, New Jersey. The owners want to open more shops in other places.

Some frozen yogurt costs $20. But DiCosmo's Italian Ice is a cheaper and tasty treat.

Eileen O'Connor's great-grandparents came from Italy and settled in New Jersey.

O'Connor's grandmother made a cold dessert called granita. She used water, sugar, and flavorings like lemon.

Granita is a popular dessert in Sicily. People eat it for breakfast with a sweet bun.

The original DiCosmo's shop was a small shack. It didn't have a sign, but people found it.

O'Connor's great-grandmother made a recipe using fruits from the local market. She made a lemon ice that people loved.

The original recipe is still used today. It's a mixture of fruit, water, and sugar.

America's favorite ice cream flavor is a classic one.

O'Connor won't change the 111-year-old lemon-ice recipe. Customers would notice if it changed.

DiCosmo's uses simple, high-quality ingredients. The shop's authenticity and family heritage make it special.

The Italian ice tastes like something from your childhood. It's nostalgic.

O'Connor squeezes lemons by hand. The ice is made in small batches with real fruit and sugar.

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If the mixture is kept cold for a long time, it gets a different texture.

DiCosmo's makes the icy treat fresh throughout the day. It stays smooth and consistent.

Eileen O'Connor says the shop's commitment to simple ingredients is why it has lasted.

There are no extra ingredients in DiCosmo's Italian Ice. It's just fruit, sugar, and water.

The shop is known for its clean, authentic flavors and texture. The ice melts in your mouth.

O'Connor's parents changed the family store to an Italian ice shop. They added new flavors and a machine to churn the ice.

If O'Connor stops making the Italian ice, the shop will stop. She loves what she makes.

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DiCosmo's is a fun, summertime experience. It's a true classic.

The Italian ice is nostalgic. It tastes like something from your childhood.

Making a treat that people enjoy motivates O'Connor. She loves seeing people happy.

DiCosmo's is a welcoming place for the community. Families enjoy stopping by for a treat.

O'Connor is proud of her shop. She thanks her team for the business' success.

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Being a welcoming place for the community is satisfying for O'Connor.

O'Connor is glad she was born into a family that makes Italian ice. She loves her job.

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DiCosmo's has received many inquiries about franchise opportunities.

Teresa Mull is a writer with the Lifestyle team at Fox News Digital.