Garlic Pork With mushrooms and Mateus Wine

2 ea. 8 oz. boneless pork chops,
2-2&1/2 oz. onion or shallots,
8 grape tomatoes,
1-1&1/2 oz. fresh garlic cloves,
1/4 c. flour,
5 oz. your favorite mushroom,
1/2 c. Mateus wine,
1/2 c. chicken broth