For the onion base
01 -
3 tablespoons unsalted butter
02 -
2 large sweet yellow onions, thinly sliced, about 2 cups (300 g)
03 -
2 cups (480 ml) low-sodium chicken broth
04 -
1 chicken bouillon cube or 1 teaspoon bouillon paste
05 -
1/2 teaspoon kosher salt, plus more to taste
06 -
1/4 teaspoon black pepper
07 -
1/4 teaspoon paprika
For the creamy sauce
08 -
3 tablespoons unsalted butter
09 -
3 tablespoons all-purpose flour
10 -
2 cups (480 ml) whole milk, warmed slightly
11 -
3 oz (85 g) Velveeta, cubed
12 -
1/2 cup (55 g) freshly shredded mild cheddar cheese, plus more for serving
13 -
2 tablespoons sliced green onion, for serving