Mushroom and Swiss Burger

Mid-July. Hot. Ninety-two Tuesday. Ninety-five Thursday. The kind of Hartford heat that makes the brick buildings give back the day's warmth at midnight. I cooked early — sofrito and beans before 9 AM — and shut down by 11 because the kitchen was unbearable past noon. Eduardo and I lived in the basement Tuesday afternoon, both of us with books and a fan and a thermos of cold lemonade.

Tuesday food bank: cold gazpacho, which is not Puerto Rican but is what Brian asked for because of the heat and which I made willingly because the regulars deserve variety. Andalusian-style — tomato, cucumber, pepper, garlic, bread, olive oil, vinegar. The line came through. Mr. Patterson tried it. He said, "Mrs. Carmen, this is cold tomato soup." I said, "Mr. Patterson, yes. It is also delicious." He said, "Mrs. Carmen, I will trust you." He ate it. He came back for seconds. He whispered as he passed me, "Mrs. Carmen, do not tell anyone, but I like the cold soup."

Wednesday Sofía came over. Her summer rotation was at a community clinic in Frog Hollow. She had been seeing a lot of older patients with diabetes and hypertension. She was learning about Puerto Rican food specifically — not the diet our culture eats, but the science of how rice and beans and pork affect blood sugar. She said, "Ma, I have been thinking about your food bank menu. The carne guisada with potatoes is one of the best foods I have seen for community health. You make beans daily. You use olive oil. You have vegetables in everything. You are not making the diabetes-causing version." I said, "Mija, the diabetes-causing version is white rice and white bread together with a soda." She said, "Ma, exactly." She wanted to know if I would talk to her clinic's nurse practitioner about teaching a Puerto Rican nutrition class as part of La Cocina expansion. I said, "Mija, that is interesting. Tell her to call me."

Friday Mami had a stroke-like episode. Carmen the aide called me at 2 PM. She said, "Doña Carmen, Doña Luz María had a moment. She lost speech for ten minutes. She is back. She is tired. The doctor is on her way." Dr. Tang came at 4. She examined Mami. She said, "Carmen, this could have been a small stroke or a vascular event related to her dementia. The line is fuzzy. We will not hospitalize. We will keep her comfortable. We will increase the visit frequency." I sat with Mami for the rest of the day. Eduardo brought dinner — sandwiches — at 6. I ate at her bedside. Mami slept. She woke briefly at 8 and said, "Carmen, you are still here." I said, "Mami, I am here." She closed her eyes. She slept again. Wepa.

Eduardo did not ask what I wanted Friday night. He showed up at Mami’s bedside door with sandwiches in a bag, and that was the whole of it — no ceremony, just food and presence. I did not taste much, honestly, but I have been thinking since about what the right sandwich looks like for a night like that: something with weight to it, something that asks nothing of you but still feels like care made edible. This Mushroom and Swiss Burger is what I would make for someone sitting vigil — earthy mushrooms, melted cheese, and a good bun that holds everything together the way a steady person does.

Prep Time: 10 minutes | Cook Time: 20 minutes | Total Time: 30 minutes | Servings: 4

Ingredients

1 1/2 lbs ground beef (80/20 blend)
1 teaspoon kosher salt
1/2 teaspoon black pepper
1/2 teaspoon garlic powder
1 tablespoon Worcestershire sauce
2 tablespoons unsalted butter
8 oz cremini or baby bella mushrooms, sliced
1 shallot, thinly sliced
2 cloves garlic, minced
1 teaspoon fresh thyme leaves (or 1/4 teaspoon dried)
Salt and pepper to taste for mushrooms
4 slices Swiss cheese
4 brioche or potato burger buns, toasted
Dijon mustard, mayonnaise, and lettuce for serving (optional)

Instructions

Season and form patties. In a large bowl, combine ground beef, salt, pepper, garlic powder, and Worcestershire sauce. Mix gently until just combined — do not overwork. Divide into 4 equal portions and shape into patties about 3/4 inch thick. Press a small indent in the center of each patty to prevent puffing.
Sauté the mushrooms. Melt butter in a large skillet over medium-high heat. Add mushrooms and shallot in a single layer and cook without stirring for 3–4 minutes until browned on one side. Stir, add garlic and thyme, and cook another 3–4 minutes until mushrooms are tender and any liquid has evaporated. Season with salt and pepper. Remove from pan and keep warm.
Cook the burgers. Using the same skillet (or a grill pan or outdoor grill) over medium-high heat, cook patties 3–4 minutes per side for medium doneness, or until an internal temperature of 160°F is reached. In the last minute of cooking, lay a slice of Swiss cheese on each patty and cover loosely with a lid or foil to melt.
Toast the buns. While burgers rest for 2 minutes, toast buns cut-side down in the residual pan drippings or on the grill for about 1 minute until golden.
Assemble and serve. Spread buns with Dijon mustard and mayonnaise if using. Place a cheesy patty on each bun bottom, top generously with the sautéed mushrooms, add lettuce if desired, and finish with the bun top. Serve immediately.

Nutrition (per serving)

Mushroom and Swiss Burger — The Sandwich Eduardo Brought