Mama E's Wings & Waffles (Oklahoma City, Okla.) • Polka (Los Angeles, Calif.) • Avila's (Dallas, Tex.)Guy Fieri rolls out to places still doin' it mama's way: In Oklahoma City, a couple doing wings & waffles soul food style; In Dallas, a family home turned family restaurant; and in LA, a Polish joint in a strip mall serving pierogis & stuffed cabbage.