Sauté turkey, shallots and garlic in canola oil in a medium sized pot over medium-high heat until lightly browned.
Add spinach and cream. Stir and continue cooking until spinach is cooked and cream is simmering.
Remove from heat and add cheeses, sea salt, ground black pepper, mustard powder and Worcestershire sauce. Continue to stir until the cheese is melted. Fold in sour cream. Ensure to remove the dip from the heat before adding the cheeses, spices, sauce and sour cream. The dip will separate if kept on the heat.
Spoon mixture into a sourdough bread bowl and sprinkle with paprika. Serve guests with extra bread, crackers and veggies.