Preheat oven to 450F. Brush baking sheet with olive oil. Cut off the radish tops and rinse radish thoroughly. Cut radishes in half and mix in a medium bowl with olive oil. Place radishes cut side down, on baking sheet and sprinkle with salt. Roast until radishes are still crisp but tender, about 15-18 minutes. toss with lemon juice.

Toast or grill the bread, spread each slice with goat cheese and place several radish slices on top. Sprinkle peas and thyme over the top.