Shepherds Pie Recipe

Name: Shepherd's Pie Recipe
Ingredients: 1 medium onion, minced ($.79); 1 clove of garlic, minced ($.15); ½ tablespoon canola oil; 1 pound lean ground beef ($2.49); ¼ teaspoon salt; Pinch of ground rosemary; 1 ½ teaspoons Worcestershire; 1 cup of frozen peas, mostly defrosted ($.43); 2 large Russet potatoes ($.78); 2 tablespoons unsalted butter; 1 cup of sour cream (8-ounce carton) ($1.99); Salt and pepper, to taste