Casey's in Prophetstown, IL, located at 40 Grove St, is well-known for its delicious pizza, particularly the Taco Pizza and Breakfast Pizza, made with fresh ingredients like real mozzarella cheese and made-from-scratch dough. Customers appreciate the variety of options available, including appetizers, sweet treats, drinks, and groceries, alongside quality fuel for their vehicles. While service can be inconsistent, particularly with phone responsiveness, the management has shown good customer service by addressing delays effectively. The environment is noted to be safe and comfortable. Overall, Casey's is recommended for its tasty pizzas and is a reliable choice for both food and convenience needs.