Melt butter in a large pot over medium heat.
Add diced onion, diced celery and diced carrots.
Sauté until softened, about 8-10 minutes, stirring often.
Add mushrooms and stir to combine.
Add minced garlic, adobo seasoning and thyme. Cook until fragrant, stirring continuously for about a minute.
Sprinkle flour over veggies and stir to coat them.
Add chicken broth and milk whisking continuously.
Increase heat and bring mixure to a simmer.
Add the shredded chicken, frozen peas and gnocchi to the pan.
Simmer until gnocchi are tender and broth is hot and thickens, about 5-10 minutes.
Taste and season with salt and pepper.