Combine all ingredients in a large stockpot over high heat and bring to a boil.
Reduce heat and simmer for 20 minutes.
Remove from heat and cool completely.
Strain brine through a fine sieve.
Submerge duck in brine and soak for � hour per lb., minimum one hour.
Remove from brine and shake off excess moisture.
Place in smoker and cold-smoke for 1� hours.
Remove skin; place in 350F oven for approximately 10 minutes.
Caramelize orange rind and ginger with brown sugar,
add vinegar, orange juice and demi-glace.
Cook 5 minutes to proper consistency.
Salt and pepper to taste.
Thinly slice bread approx. 1/8" to aquire 16 slices.
Toast Bread in 350F oven for 10 min, flipping once half way. (Can be toasted with Duck above)
Peel and mince garlic clove.
Combine Garlic and 6 Tbs butter, melt on low heat.
Brush one side of toast with melted garlic butter. Reheat in oven for 5 additional minutes, butter side up.
Allow toast to cool to room temperature.
Spread marmalade on toast and top with 1/8" slices of medium rare duck breast.