Heat 1 teaspoon oil in a large nonstick skillet over medium-high heat until hot. Add shrimp; sauté 3 minutes. Remove shrimp from skillet; set aside, and keep warm.

Add 1 teaspoon olive oil to skillet. Add mushrooms; sauté 5 minutes. Combine milk, flour, sherry, and egg yolk, stirring with a whisk until blended, and add to mushrooms. Bring mixture to a boil; reduce heat, and simmer until thick, stirring constantly (about 3 minutes). Return shrimp to skillet, and stir in salt and peppers.

Cut each toast slice in half diagonally. Arrange 4 toast triangles on each of 2 plates; top the triangles with 1 1/4 cups shrimp mixture, and sprinkle with chives.

Combine first 7 ingredients in a small bowl; stir well with a whisk.

Combine lettuce and zucchini in a bowl; add vinaigrette, and toss salad well.

Combine the first 4 ingredients in a medium saucepan, and bring to a boil. Reduce heat, and simmer 5 minutes. Add pears, and cook until tender (about 10 minutes). Pour the rum into saucepan; cook 1 minute. Divide pears and sauce between 2 dishes. Garnish pears with cinnamon sticks, if desired.