Preheat your Oven to 375°F. Cook the Long-Grain White Rice according to package directions if you haven't already — you'll need 1½ cups cooked Long-Grain White Rice. Set aside.

Slice the tops off each 6 large 甜椒 任意搭配红色、黄色、橙色或绿色——顶部切下并保留、去籽并去除白膜 (about ½ inch down). Finely dice the tops and set aside — they'll go into the filling. Remove and discard the seeds and white membranes from inside each 6 large 甜椒 任意搭配红色、黄色、橙色或绿色——顶部切下并保留、去籽并去除白膜. Stand the 6 large 甜椒 任意搭配红色、黄色、橙色或绿色——顶部切下并保留、去籽并去除白膜 upright in a Baking Dish.

Heat 1 tbsp 橄榄油 in a Skillet over medium-high heat. Add the diced 1 个 黄洋葱 细切 and the reserved diced 6 large 甜椒 任意搭配红色、黄色、橙色或绿色——顶部切下并保留、去籽并去除白膜 tops. Cook, stirring occasionally, until softened, about 4–5 minutes.

Add the minced 3 瓣 大蒜 切碎 and cook for 30 seconds until fragrant. Add the 1 lb 碎牛肉 建议使用80/20比例以获得最佳风味, breaking it apart with a Wooden Spoon. Cook until no pink remains, about 6–8 minutes. Carefully drain off any excess fat.

Stir in the 1 罐 番茄丁 不要沥干 (with their juices), half of the 1 罐 番茄丁 不要沥干 (about ¾ cup), 1 tsp 伍斯特郡酱, 1 tsp 意大利调味料, 3 瓣 大蒜 切碎, ½ tsp 洋葱粉, 1 tsp 粗盐 可根据需要增加, and 1 tsp 粗盐 可根据需要增加. Stir to combine and simmer for 3–4 minutes until the mixture thickens slightly.

Remove the Skillet from heat. Fold in the cooked Long-Grain White Rice until evenly combined. Taste and adjust seasoning with additional 1 tsp 粗盐 可根据需要增加 and 1 tsp 粗盐 可根据需要增加 as needed.

Spoon the remaining 1 罐 番茄丁 不要沥干 into the bottom of the Baking Dish around the 6 large 甜椒 任意搭配红色、黄色、橙色或绿色——顶部切下并保留、去籽并去除白膜 — this keeps them moist and creates a delicious sauce. Generously fill each 6 large 甜椒 任意搭配红色、黄色、橙色或绿色——顶部切下并保留、去籽并去除白膜 to the top with the 1 lb 碎牛肉 建议使用80/20比例以获得最佳风味 and Long-Grain White Rice mixture, pressing it in gently and mounding it slightly.

Cover the Baking Dish tightly with Aluminum Foil. Bake at 375°F for 30 minutes, until the 6 large 甜椒 任意搭配红色、黄色、橙色或绿色——顶部切下并保留、去籽并去除白膜 are just tender when pierced with a Knife.

Remove the Aluminum Foil. Divide the 1 ½ cups 切碎的马苏里拉奶酪 evenly over the top of each 6 large 甜椒 任意搭配红色、黄色、橙色或绿色——顶部切下并保留、去籽并去除白膜. Sprinkle with ¼ cup 帕玛森奶酪 新鲜磨碎 if using. Return to the Oven, uncovered, and bake for an additional 10–15 minutes until the 1 ½ cups 切碎的马苏里拉奶酪 is melted, bubbly, and lightly golden.

Let the stuffed 6 large 甜椒 任意搭配红色、黄色、橙色或绿色——顶部切下并保留、去籽并去除白膜 rest for 5 minutes before serving. Garnish with fresh chopped 2 tbsp 新鲜欧芹 切碎 and serve with the pan sauce spooned around them.