In a pot on medium/high heat add 3 tablespoons of oil then add onions, garlic, let them cook until tender, then add "Ají Amarillo and Panca Paste" and let it cook for 3 min.
In the Same pot add your squashes, add the broth or water, set the temperature to low/medium, put a lid on it let it cook until the squashes start to fall apart.
When squashes are soft add the potatoes and give it a good stir, add more broth if needed, put the lid back and let it cook till potatoes are soft (about 7 min or so).
Once it's cooked add peas and milk, also add salt and pepper and put the lid back, turn off the stove and let the remaining heat cook the peas.
Serve with Salsa Criolla and Queso Fresco
Video
Notes
Stir from time to time, that will prevent the bottom from getting burned