Yields
4 servings
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ingredients
1
Tbsp vegetable oil
1
onion, diced
1
egg
2
tsp chopped fresh thyme, rosemary, or, oregano, (or ½ tsp dried)
tsp Dijon mustard
tsp prepared horseradish
½
tsp each salt and pepper
8
oz medium ground beef
8
oz ground buffalo
4
kaiser roll, or, hamburger, buns
4
leaves lettuce
1
tomato, sliced
half small red onion, thinly, sliced
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directions
Step 1
In skillet, heat oil over medium heat; fry diced onion, stirring occasionally, until softened, about 5 minutes. Let cool.
Step 2
In large bowl, beat egg. Stir in thyme, mustard, horseradish, salt and pepper; mix in onion, beef and buffalo. Shape into four 1/2-inch thick patties. (Make-ahead: Cover and refrigerate for up to 6 hours. Or layer between waxed paper in airtight container and freeze for up to 1 month; thaw in refrigerator.)
Step 3
Place patties on greased grill over medium-high heat; close lid and cook, turning once, until no longer pink inside, about 10 minutes.
Step 4
Cut rolls in half; place, cut sides down, on grill and toast until golden, 1 to 2 minutes. Layer burgers, lettuce, tomato then onion on bottoms; sandwich with tops.