In a shallow bowl,combine the flour, garlic powder, onion powder, smoked paprika, salt, and blackpepper.
Dredge each cubed steakin the flour mixture, ensuring an even coating.
Heat olive oil in a large skillet over medium-high heat.
Sear the cubed steaks onboth sides until golden brown. Work in batches if necessary to avoidovercrowding the pan.Transfer the seared cubed steaks to the slow cooker.
In the same skillet, addsliced onions and minced garlic. Cook until the onions are softened andslightly caramelized. Deglaze the skillet with a bit of beef broth, scraping upany browned bits from the bottom.
Add the sautéed onionsand garlic to the slow cooker on top of the cubed steaks.
In a bowl, mix the beefbroth, Worcestershire sauce, dried thyme, and dried rosemary. Pour this mixtureover the cubed steaks.
Cover the slow cookerand cook on low for 4-6 hours or until the cubed steak is tender.
About 30 minutes beforeserving, stir in the heavy cream to create a rich and creamy sauce.