Old Fashioned Pot Roast

to 5 pound beef chuck roast

Several garlic cloves , cut into slivers, optional

bacon fat, Crisco shortening, or canola oil

Heaping 1/4 cup of all purpose flour

kosher salt

freshly cracked black pepper

Cajun seasoning (like  Slap Ya Mama ), or to taste

onion powder

garlic powder

medium onion, sliced

dried rosemary , crushed

dried thyme , crushed

beef stock or broth

large bay leaf