Heat olive oil in a pan and cook sliced garlic and diced shallot until softened
Season with salt, pepper, and red pepper flakes
Add tomato paste and stir to deepen the tomato flavor
Add halved cherry tomatoes and water, then simmer
Add drained and rinsed cannellini beans to the pan
Transfer to a broiler-safe dish and top with shredded mozzarella
Broil until the cheese is golden and bubbly
Garnish with fresh oregano and serve with bread
