ALICE’S SEAFOOD CREOLE

½ c. canola oil ½ c. flour 1 (16-oz.) container chopped onion mix 1 T. minced garlic 1 (15-oz.) can diced tomatoes, drained 1 (10-oz.) can Ro-Tel 1 (10-oz.) can Casa Fiesta Tomatoes and Green Chilies 1 large can tomato…