Before Steven “Stevie” Gilliam was serving up meals at a brick-and-mortar restaurant, he was hustling his signature spicy bowls straight out of the trunk of his car in 2023. Today, Stevie’s Kitchen, also known as Stevie’s Jail House Kitchen, has a storefront in Riverview, where Gilliam sells food he first came to know while serving time. Gilliam was released from federal prison in 2019 after convictions on drug and gun charges. After three separ…