Place two chopsticks on a cutting board. Place a potato between the two sticks and then make cuts ¼ inch apart on along the length of the potato, careful not to cut all the way through.
On a parchment paper covered baking sheet, add hassleback cut potatoes, quartered onions and bratwurst. Drizzle with oil, Worcestershire and half of seasoning mixture. Place in oven for 45 minutes.
In a larger measuring cup, whisk together broth, remaining seasoning mix and cornstarch. In the last 15 minutes of cook time, add to broth mixture to a small sauce pan over medium high heat. Bring to a bubble, then reduce heat to medium low and let simmer for remainder of cook time.
To serve, add one or two bratwurst to shallow bowl, then add 3-4 potatoes and some potatoes. Drizzle with gravy and sprinkle with fresh peas.
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