Mix together black pepper, oregano, and onion powder. Cover exterior of beef bottom round with spice mixture and allow to rest at room temperature for 1 hour.
With a small paring knife, stab holes into the exterior of the roast and insert garlic cloves into the holes.
Place a roasting pan on top of stove burners and turn heat to medium high. Add canola oil and reduce heat to medium .
Sear roast on all sides, then add onions. Saute until onions become translucent.
Next, add Furmano's Diced Tomatoes and chipotles peppers with adobo. Stir.