Cooking performance fin for cooking appliance

A domestic cooking appliance for heating a food item, comprising:

• a main housing;
• a cooking compartment in the main housing, the cooking compartment being configured to receive the food item to be heated, the cooking compartment having a first sidewall and a second sidewall, the first sidewall and the second sidewall being on opposite sides of the cooking compartment;
• a gas burner that provides heat to the cooking compartment;
• a burner panel located between the gas burner and the cooking compartment;
• a first fin protruding from the first sidewall and into the cooking compartment;
• and
• a second fin protruding from the second sidewall and into the cooking compartment,
• wherein the burner panel comprises a first opening adjacent to the first sidewall and a second opening adjacent to the second sidewall, and air heated by the gas burner moves into the cooking compartment through the first and second openings,
• the first fin protrudes from the first sidewall at a first angle, the first angle being less than 70 degrees and more than 20 degrees, and
• the second fin protrudes from the second sidewall at a second angle, the second angle being less than 70 degrees and more than 20 degrees, wherein the first fin is removably attached to the first sidewall, and the second fin is removably attached to the second sidewall.