Based upon its advertising slogan, the pizza restaurant that likely offers the be value proposition to its customers is

Loyalty Pizza: "One pizza, $5$ points: to be redeemed with a pan pizza upon reaching $5$ points."

Sustainable Slices: "Organic and sustainably sourced ingredients that are good for you and the planet."

Fast $\text{'}$n Fresh Pizza: "Get fresh, hot pizza, delivered under $20$ minutes$-$or it's free."

Johnny's Pie Shop: "The Tastiest Pizza You've Ever Had."

Crackerjack Pizza: "Open your pizza box and find a free gift. Hurry! Free gifts for $100$ lucky customers."