Smothered Round Steak with Gravy

Ingredients (11)

• + 1 (2 1/2 pound) tenderized round steak, cut into 6 pieces add to pantry
• + salt and ground black pepper to taste add to pantry
• ✓ salt and ground black pepper to taste
• ✓ 1 cup all-purpose flour, divided
• + 1 teaspoon garlic powder, or to taste add to pantry
• + ½ cup cooking oil, divided add to pantry
• + 1 large onion, sliced add to pantry
• + 1 cup water add to pantry
• + 1 teaspoon beef base (such as Better than Bouillon®) add to pantry
• ✓ 1 teaspoon Worcestershire sauce
• + 2 cups milk add to pantry