Bake potato (whole, un-peeled )in microwave for 8-10 minutes or until soft in the center. Allow it to cool slightly and peel the potato. Mash the peeled potato with the cream cheese as if you were making mashed potatoes; Set Aside.
Add olive oil to a large pot. Add the onion and cook it for 5-6 minutes, or until softened.
Add the garlic and flour to onion, stirring for about a minutes. Slowly pour in the chicken broth and evaporated milk, stirring continuously to break up any chunks.
Next stir in the mashed potato mixture, salt, pepper, and broccoli. Bring this to a low simmer for 8-10 minutes until it has thickened. Blend with the a nimmersion blender for about a minute until the mixture is creamy.
Turn the heat off and stir in the cheese until it has melted.