In a heavy bottom pot, heat the olive oil over medium heat.
Saute the diced shallots for 2 minutes until translucent.
Add in 1/2 cup of the chopped scallions, the garlic and a pinch of the salt and black pepper. Cook 30 to 60 seconds.
Pour in the chicken broth and bring to a boil.
Turn the heat to medium-low. Add in the polenta, the salt and the black pepper. Stir.
Cook the polenta for 25 minutes, stiring occassionally. The polenta will thicken up and absorb the liquid but it will be wet.
Add in the sweet peas, Stir and cook 5 minutes.
Stir in the remaining scallions. Turn off the heat.
Stir in the fontina cheese. Stir until melted.
Stir in the parmesan cheese. Stir until melted.
Pour into a serving bowl. Garnish with more parmesan and chopped scallions if preferred.